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Southern California Geology

SCAMP Cumulative Bibliography

The data bases, maps, articles, and abstracts listed below were produced by scientists affiliated with the Southern California Areal Mapping Project (SCAMP)—either as lead author of the citation or as secondary author. In many cases, authors are affiliated with U.S. Geological Survey (USGS) or California Division of Mines (CDMG) projects other than SCAMP; these projects share credit for the contribution.

Primary funding for SCAMP is through the USGS National Cooperative Geologic Mapping Program and the CDMG Regional Geologic Mapping Program. However, other USGS and CDMG Programs have funded some of the work identified below, including:

Various Federal, State, County, and municipal agencies and other entities that need geoscience information for their missions also have provided funding support for SCAMP, including:

SCAMP acknowledges the support these programs have provided toward understanding the geologic setting, geologic history, geologic hazards, and geologic resources of southern California. Collectively, they all share credit for contributions in the SCAMP cumulative bibliography.


A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z

Aydin, A., Antonellini, R., Christiansen, P., Cooke, M., Cruikshank, K., Du, Y., Pollard, D., Wu, H., and Sarna-Wojcicki, A., 1992, Surface rupture associated with the June 28, 1992 Landers, California, Earthquake along the north-central Emerson fault and its neotectonic significance: EOS, Transactions American Geophysical Union, v. 73, no. 43, p. 381.

Barron, J.A., 1994, Improved diatom correlation of the Miocene Monterey Formation of southern California: Tectonic implications: Geological Society of America Abstracts with Program, v. 26, no. 2, p. 36.

Barron, J. A., and Ramirez, P.C., 1992, Diatom stratigraphy of selected Sisquoc Formation sections, Santa Maria Basin, California: U.S. Geological Survey Open-File Report 92-197, 23 p.

Barth, A.P., Dawson, D.L., Wooden, J.L., and Tosdal, R.M., 1994, Extraordinary high temperature gneisses from the western San Gabriel Mountains: Origin and implications for the San Gabriel terrane: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 37.

Barth, A.P., Tosdal, R.M., Wooden, J.L., Howard, K.A., 1997, Triassic plutonism in southern California I: Geologic setting and timing of arc initiation: Tectonics, v. 16, p. 290-304.

Barth, A.P., Wooden, J.L., Tosdal, R.M., and Morrison, J, 1995, Petrogenesis of a calc-alkaline rock series in the middle crust: Josephine Mountain intrusion, California: Geological Society of America Bulletin, v. 107, p. 201-212.

Barth, A.P., Wooden, J.L., Tosdal, R.M., Morrison, J., Dawson, D.L., and Hernly, B.M., 1995, Origin of gneisses in the aureole of the Proterozoic San Gabriel anorthosite complex, and implications for crustal evolution of southern California: Tectonics, v. 14, p. 736-752.

Bartow, J.A., 1990, Neogene Time Scale for southern California: U.S. Geological Survey Open-File Report 90-636A. Bartow, J.A., 1992, Paleogene Time Scale for southern California: U.S. Geological Survey Open-File Report 92-212.

Bartow, J.A., Sarna-Wojcicki, A., Matti, J.C., 1991, Cenozoic stratigraphic correlation for the southern California mapping project: A progress report: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 475-476.

Bedford, D.R., and Miller, D.M., 1998, A first-generation decision support system: Geology for Mojave Desert ecosystem planning: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 5.

Bender, E.E., Morrison, J., Anderson, J.L., and Wooden, J.L., 1993, Early Proterozoic ties between two suspect terranes and the Mojave crustal block of the southwestern U.S.: Journal of Geology, v. 101, p. 715-728.

Beyer, L. A. and McCulloh, T. H., 1998, Bulk densities and porosities of Cenozoic and Cretaceous basin-filling strata and Cretaceous and older basement rocks of the Los Angeles basin, California, determined from measurements of core samples: U. S. Geological Survey Open-File Report 98-788, 197 p.

Bohannon, R.G., and Geist, E.L., 1991, Tectonostratigraphy and Miocene extensional tectonism on part of the California continental borderland: A seismic reflection perspective: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 479.

Bukry, David, 1994, Coccolith correlation of late Cretaceous Point Loma Formation at La Jolla and Carlsbad, San Diego County, California: U.S. Geological Survey Open-File Report 94-678, 23 p.

Calzia, J.P., Matti, J.C., and Gantenbein, Michael, 1995, Geology, geochemistry, and resource potential of carbonate rocks in the San Bernardino National Forest, California: U. S. Geological Survey Open-File Report 95-39, 26 p., scale 1:100,000.

Campbell, R. H., 1998, Probabilistic debris-flow hazard maps: EOS, Transactions American Geophysical Union, v. 79, no. 45, p. F292-F293

Campbell, R.H., and Bernknopf, R.L., 1997, in Chen, Cheng-lung, ed., Debris-flow hazard map units from gridded probabilities: Debris-Flow Hazards Mitigation, Proceedings of First International Conference, San Francisco, CA, August 7-9, 1997, ASCE, New York, NY, p. 165-175.

Campbell, R.H., Bernknopf, R.L., and Soller, D.R., 1998, Mapping time-dependent changes in soil-slip-debris-flow probability: U.S. Geological Survey Map I-2586, 15 p., scales 1:24,000 and 1:40,000

Campbell, R.H., Blackerby, B.A., Birkeland, P.W., and Yerkes, R.F., 1994, Preliminary geologic map of the southeastern part of the Triunfo Pass 7.5' quadrangle, southern California: U.S. Geological survey administrative report transmitting digital files (ARC/INFO export format) to National Park Service, for map sheet prepared at 1:12,000 scale.

Campbell, R.H., Blackerby, B.A., Yerkes, R.F., Schoellhamer, J.E., Birkeland, P.W., and Wentworth, C.M., 1996, Geologic Map of the Point Dume quadrangle, Los Angeles County, California: U.S. Geological Survey Map GQ-1747, scale 1:24,000.

Cole, R.B., and Stanley, R.G., 1994, Sedimentology and origin of subaqueous pyroclastic sediment gravity flows in the Neogene Santa Maria basin, California: Sedimentology, v. 41, p. 37-54.

Cole, R.B., and Stanley, R.G., 1995, Middle Tertiary extension recorded by lacustrine fan-delta deposits, Plush Ranch basin, western Transverse Ranges, California: Journal of Sedimentary Research, v. B65, no. 4, p. 455-468.

Cole, R.B., and Stanley, R.G., 1998, Volcanic rocks of the Santa Maria province, California: U.S. Geological Survey Bulletin 1995-R, p. R1-R35.

Cole, R.B., Stanley, R.G., and Basu, A.R., 1991, Stratigraphy and origin of Lower Miocene volcanic rocks, onshore and offshore Santa Maria Province, California: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 476.

Cole, R. B., Stanley, R.G., and Johnson, S.Y., 1991, Origin of tuff deposits in the lower Miocene Lospe Formation, Santa Maria basin, California: American Association of Petroleum Geologists Bulletin, v. 75, no. 2, p. 359-360.

Cox, B.F., 1995, Structure and tectonics at the south edge of an early Miocene rift zone, central Mojave Desert, California: Redlands, California, San Bernardino County Museum Association Quarterly, v. 42, no. 2, p. 30-31.

Cox, B.F., 1997, Depth to basement map, March Air Force Base: U.S. Geological Survey, Administrative Report provided to March Air Force Base (for informal agency use only).

Cox, B.F., 1998, Late Cretaceous and early Paleogene tectonics and sedimentation near the Garlock fault, California—did Neogene strike-slip faulting exploit an older structural zone?, in Calzia, J.P., and Reynolds, R.E., eds., Finding faults in the Mojave: Redlands, California, San Bernardino County Museum Quarterly, v. 45, nos. 1 and 2, p. 45-51.

Cox, B.F. and Hillhouse, J.W., 2000, Pliocene and Pleistocene uplift of the central Transverse Ranges and origin of the Mojave river, based on borehole stratigraphy studies near Victorville, California: U.S. Geological Survey Open-File Report 00-XXX.

Cox, B.F., and Morton, D.M., 1996, Contour map showing elevation of concealed bedrock beneath Moreno Valley, California: U.S. Geological Survey Administrative Report to March Air Force Base for informal agency use only, scale 1:24,000.

Cox, B.F., and Morton, J.L., 1997, Conventional potassium-argon and argon-40/argon-39 ages for several plutons in the central El Paso Mountains, California, in Carr, M.D., Christiansen, R.L., Poole, F.G., and Goodge, J.W., Bedrock geologic map of the El Paso Mountains in the Garlock and El Paso peaks 7.5-minute quadrangles, Kern county, California, appendix 1: U.S. Geological Survey Miscellaneous Investigations Map I-2389, scale 1:24,000.

Cox, B.F., and Tinsley, J.C., III, 1999, Origin of the late Pliocene and Pleistocene Mojave River between Cajon Pass and Barstow, California, in Reynolds, R.E., and Reynolds, Jennifer, eds., Tracks along the Mojave: A field guide from Cajon Pass to the Calico Mountains and Coyote Lake: Redlands, California, San Bernardino County Museum Association Quarterly, v. 46, no. 3, p. 49-54.

Cox, B.F., and Wilshire, H.G., 1993, Geologic map of the area around the Nebo Annex, Marine Corps Logistics Base, Barstow, California: U.S. Geological Survey Open-File Report 93-568, 36 p., scale 1:12,000.

Cox, B.F., and Wilshire, H. G., 1994, Late Cenozoic stratigraphy and tectonics along the Mojave River east of Barstow, California: Geological Society of America, Abstracts with Programs, v. 26, no. 2, p. 46.

Cox, B.F., and Wilshire, H.G., 1994, Geologic map of the Yermo Annex and vicinity, Marine Corps Logistics Base, Barstow, California: U.S. Geological Survey Open-File Report 94-681, scale 1:12,000.

Cox, B.F., Hillhouse, J.W., Sarna-Wojcicki, A.M., and Tinsley, J.C., III, 1998, Pliocene-Pleistocene depositional history along the Mojave River north of Cajon Pass, California-Regional tilting and drainage reversal during uplift of the central Transverse Ranges: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 11.

Davis, M.J., Farber, D.L., Wooden, J.L., and Anderson, J.L., 1994, conflicting tectonics? Contraction and extension at middle and upper crustal levels along the Cordilleran Late Jurassic arc, southeastern California: Geology, v. 22, p. 247-250.

Davis, Marsha, Miller, David M., and Bedford, David R. 1999, Cheap and Easy Monitoring: A Photographic Method for Creating a Digital Landscape Database: presented in "On the Frontiers of Conservation: Discovery, Reappraisal & Innovation" The 10th Conference on Research and Resource Management in Parks and on Public Lands: Conference proceedings in press, The George Wright Society. http://www.portup.com/~gws/99abstracts.html

Dawson, M.L., Morton, D.M., Kistler, R.W., Lichte, F.E., and Jachens, R.C., 1998, A GIS analysis of the Lakeview Mountains pluton: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 11.

Densmore, J.N., Cox, B.F., and Crawford, S.M., 1997, Geohydrology and water quality of Marine Corps Logistics Base, Nebo and Yermo Annexes, near Barstow, California: U.S. Geological Survey Water Resources Investigations Report 96-4301, 116 p.

Dixon, G.L., Ward, A.W., Jachens, R.C., and Galloway, D.L., Geologic, geophysical, and hydrologic derivative map of Edwards Air Force Base, Kern and Los Angeles Counties, California: U.S. Geological Survey Miscellaneous Investigations Map, scale 1:24,000 (in press).

Dixon, G.L., and Ward, A.W., 1993, Geologic map of the Edwards quadrangle, Kern County, California: U.S. Geological Survey Open-File 93-697, scale 1:24,000.

Dixon, G.L., and Ward, A.W., 1993, Geologic map of the Rogers Lake South quadrangle, Kern and Los Angeles Counties, California: U.S. Geological Survey Open-File Report 93-696, scale 1:24,000.

Dumont, M.P., and Barron, J.A., 1995. Diatom biochronology of the Sisquoc Formation in the Santa Maria Basin, California, and its paleoceanographic and tectonic implications, in Keller, M.A., ed., Evolution of Sedimentary Basins/Onshore Oil and Gas Investigations-Santa Maria Province: U.S. Geological Survey Bulletin 1995, p. K1-K17.

Elder, W.P., Bukry, D.J., and Sliter, W.V., 1994, Development of an integrated macrofossil and microfossil zonation for the Late Cretaceous of southern California, 1994: Geological Society of America Abstracts with Program, v. 26, no. 2, p. 50.

Eppes, M., Matti, J., Powell, R., and McFadden, L., 1998, Soil landscapes of the northern flank of the San Bernardino Mountains in the Transverse Ranges of Southern California: Geological Society of America, Abstracts with Programs, v. 30, no. 1, p. A-330.

Fitzgibbon, T.T., 1998, Taking geographic information systems to the field: Laptops, palmtops, GPS, and lots of batteries: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 14.

Fleck, R.J. and Reynolds, R.E., 1996, Mesozoic stratigraphic units of the eastern Mescal Range, southeastern California in Reynolds, R.E., ed., Punctuated chaos in the northeastern Mojave Desert: Redlands, California, San Bernardino County Museum Association, Quarterly, v. 43, no. 1, p.49-54.

Fleck, R.J., Wooden, J.L., Matti, J.C., Powell, R.E., and Miller, F.K., 1997, Geochronologic investigations in the Little San Bernardino Mountains, California: Geological Society of America Abstracts with Programs, v. 29, no. 5, p. 12-13.

Frederiksen, N.O., 1991, Age determinations for Eocene formations of the San Diego, California area, based on pollen data, in Abbott, P.L., and May, J.A., eds., Eocene geologic history of the San Diego region: Society of Economic Paleontologists and Mineralogists, Pacific Section, v. 68, p. 195-200.

Frederiksen, N.O., 1995, Palynomorph distributions in the Rincon Shale (Lower Miocene) of the Tajiguas landfill section, Santa Barbara County, California: U.S. Geological Survey Open-File Report 95-265, 19 p.

Gray, C.H., Jr., Morton, D.M., and Weber, F.H., Jr., 2000, Digital geologic map of the Corona South 7.5° quadrangle, Riverside County California: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000.

Greenwood, Richard and Morton, D.M., 1991, Geologic map of the Santa Ana 30° x 60° quadrangle, California: California Division of Mines and Geology Open-File Report 91-17.

Greenwood, R.B., Morton, D.M., Jachens, R.C., and Chapman, R.H., 1991, Geology and geophysics of the Santa Ana 1:100,000 quadrangle, southern California: A progress report: Geological Society of America Abstracts with Programs, v. 23, No. 5, p. 478.

Hagstrum, J.T. and Murchey, B.L., 1993, Depostion of Upper Jurassic chert (Coast Range Ophiolite) at Stanley Mountain, California, near 30° N paleolatitude (abstract): EOS, Transactions of the American Geophysical Union, v. 74, no. 43, p. 214.

Hagstrum, J.T. and Murchey, B.L., 1994, Deposition of Lower Jurassic radiolarian chert, San Rafael Mountains, California, within the equatorial zone of high biologic productivity: Geological Society of America Abstracts with Program, v. 26, no. 2, p. 56.

Hartzell, S., Jachens, R., Brocher, T., and Frankel, A., 1988, Imaging and ground motion in urban sedimentary basins: the Santa Clara and San Bernardino Valleys: U.S. Geological Survey Open File-Report 98-244, 28 p.

Hauser, R.M., and Morton, D.M., 1998, Use of DTM's in geomorphic analysis of fault-bounded mountain fronts: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 19.

Hauser, R.M. and Morton, D.M., 1998 Analysis of 1997-98 El Nino generated soil slip-debris flows in the Santa Clara River area, Ventura County and the San Timoteo Badlands area, Riverside County, southern California: Association of Engineering Geologists Annual Meeting Program with Abstracts, p. 96.

Hauser, R.M., Morton, D.M., and Koukladas, Catherine, 1998, El Nino generated debris flows in southern California: EOS, Transactions American Geophysical Union, 1998 Fall meeting, v. 79, no. 10, 98 Supplement, p. 293.

Hazelton, Garrett B. and Nourse, Jonathan A., 1993, Did the San Gabriel Mountains once floor the Los Angeles basin?: Evidence from a mid Cenozoic magmatic event: Geological Society of America Abstracts with Programs, v. 25, no. 5, p. 50.

Hazelton, Garrett B., and Nourse, Jonathan A., 1994, Miocene extension direction from dikes in the eastern San Gabriel Mountains: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 58.

Hillhouse, J. W., 1997, Magnetic Stratigraphy of Plio-Pleistocene sediments of the Los Angeles Basin, California: Society for Sedimentary Geology (SEPM), Pacific Section Annual Convention, Bakersfield, California (May 14-16, 1997), Convention Program, p. 37.

Hillhouse, J. and Cox, B., 1997, Magnetic stratigraphy of boreholes 6M2MW7 and 6M36MW8 at March Air Force Base, California: U.S. Geological Survey Open-File Report 97-862, 64 p.

Iriondo, A., Premo, W.R., Budahn, J.R., Martinez-Torres, L.M., Atkinson, W.W., Jr., 1998, The Early Proterozoic Caborca Baement in NW Sonora, geochemistry of Plutonic Rocks: Geological Society of America, Abstracts with Programs, v. 30, no. 5, p. 21.

Iriondo, A., Premo, W.R., Budahn, J.R., Martinez-Torres, L.M., Atkinson, W.W., Jr., 1998, Age and Origin of Precambrian Basement in the Quitovac Region, Sonora, Mexico: Implications for Extension of the US Mid-Continent and the Existence of the Mojave-Sonora Megashear: Geological Society of America, Abstracts with Programs, v. 30, no. 6 , p. A-170.

Jachens, R.C., 1992, Aeromagnetic map of the El Cajon 1:100,000 quadrangle, California: U.S. Geological Survey Open-File Report 92-548, scale 1:100,000.

Jachens, R.C., 1992, Aeromagnetic map of the Palm Springs 1:100,000 quadrangle, California: U.S. Geological Survey Open-File Report 92-549, scale 1:100,000.

Jachens, R.C., and Calzia, J.P., 1998, A geophysical analysis of the Garlock fault, in Calzia, J.P., and Reynolds, R.E., eds., Finding faults in the Mojave: the 1998 Desert Research Symposium Field Trip Guide and Volume: Redlands, California, San Bernardino County Museum Association Quarterly, v. 45, no. 1 and 2, p. 36-41.

Jachens, R.C., and Dixon, E.T., 1991, Aeromagnetic map of the Santa Ana 1:100,000 quadrangle, California: U.S. Geological Survey Open-File Report 91-393, scale 1:100,000.

Jachens, R.C., and Langenhiem, V.T., 1991, Aeromagnetic map of the Santa Ana 1:100,000 quadrangle, California: U.S. Geological Survey Open-File Report 91-393, scale 1:100,000.

Jachens, R.C., and Griscom, Andrew, 1994, Geophysical perspective of young faults in the SCAMP study area: Geological Society of America Abstracts with Programs, v. 26, p. 61.

Jachens, R.C., and Langenheim, V.E., 1994, Aeromagnetic map of the Oceanside 1:100,000-scale quadrangle, California: U.S. Geological Survey Open-File Report 94-599, scale 1:100,000.

Jachens, R.C., and Langenheim, V.E., 1996, Aeromagnetic map of the San Bernardino 1:100,000-scale quadrangle, California: U.S. Geological Survey Open-File Report 96-284.

Jachens, R.C., and Morton, D.M., 1991, Geophysical studies in the southern California areal mapping project (SCAMP): Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 476.

Jachens, R.C., Langenheim, V.E., Chuchel, B.A., Morton, D.M., and Dawson, M.L., 1998, Three-dimensional geology in the Southern California Areal Mapping Project based on geologic mapping and geophysical procedures: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 21.

Jachens, R.G., Todd, V.R., Morton, D.M., and Griscom, Andrew, 1991, Constraints on the structural evolution of the Peninsular Ranges batholith, from a new aeromagnetic map: Geological Society of America Abstracts with Programs, v. 23, no. 2, p. 38.

Johnson, S.Y., and Stanley, R.G., 1994, Sedimentology of the conglomeratic lower member of the Lospe Formation (lower Miocene), Santa Maria basin, California: U.S. Geological Survey Bulletin 1995-D, p. D1-D21.

Jones, D.L. and Murchey, B.L., 1994, Provenance of the Bedford Canyon Formation, Santa Ana Mountains, California: Geological Society of America Abstracts with Program, v. 26, no. 2, p. 62.

Kellogg, K.S., 1999, Geologic map of the Lockwood Valley quadrangle, Ventura County, California: U.S. Geological Survey Open-File Report 99-130, scale 1:24,000.

Kennedy, M. P. and Morton, D.M., 1993, Geologic map of the Murrieta quadrangle, southern California: U.S. Geological Survey Open-File Report 92-587 scale 1:24,000.

Kennedy, M.P., Clarke, S.H., Greene, H.G., Jachens, R.C., Langenheim, V.E., Mori, J.J., Burns, D.M., 1994, A digital (GIS) geologic/geophysical data base for the San Diego 30' x 60' quadrangle, California—A new generation: Geological Society of America Abstracts with Programs, v. 26, p. 63.

Kennedy, M.P., Greene, H.G., and Clarke, S.H., 1991, Geologic map of the San Diego 30' x 60' quadrangle, California: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 479.

Kennedy, S.A., and Matti, J.C., 1999, Data-base model specifications for digital geologic-map data bases produced by the southern California areal mapping project SCAMP), version 2.0a: U.S. Geological Survey Open-File Report 99-145, 45 p.

Kistler, Ronald W., 1997, Granitoid intrusive suite in the Salinian composite terrane of coastal California: Geological Society of America Abstracts with Programs, v.29, no. 6, p. A-68.

Kistler, R.W., 1998, Strontium and oxygen isotopic investigations of igneous rocks in the northwestern Mojave Desert, southern California: Geological Society of America, Abstracts with Programs, v. 30, no. 5, p. 24.

Kistler, R.W., and Champion, D.E., 1997, Ages of hornblende and biotite from plutons in the Salinian block, coastal California: Geological Society of America Abstracts with Programs, v. 29, no. 5, p. 22.

Kistler, R.W. and Morton, D.M., 1994, Sr, Rb, Sri variation, and whole rock Rb/Sr ages of plutons in the northern Peninsular Ranges batholith, southern California: Geological Society of America Abstracts with Programs, v. 26, p. 63.

Kistler, R.W., and Ross, D.C., 1990, A strontium isotope study of plutons and associated rocks of the southern Sierra Nevada and vicinity, California: U.S. Geological Survey Bulletin 1920, 20 p.

Knott, J.R., Sarna-Wojcicki, A.M., Meyer, C.E., Tinsley, J.C. III, and Wan, Elmira, 1996, Late Neogene stratigraphy of the Black Mountains Piedmont, eastern California: Implications for the geomorphic and neotectonic evolution of Death Valley. Geological Society of America, Abstracts with Programs, v. 28, no. 5, p. 82.

Knott, J. R., Sarna-Wojcicki, A. M., Meyer, C. E., Tinsley, J. C., III, Wells, S. G., and Wan, Elmira, in press, Late Cenozoic stratigraphy and tephrochronology of the western Black Mountains piedmont, Death Valley, California: Implications for the tectonic development of Death Valley, in Wright, L. W., and Troxel, B.W., Cenozoic Basins of the Death Valley Region: Geological Society of America Special Paper 333.

Knott, J.R., Wells, S.G., Sarna-Wojcicki, A.M., Tinsley, J.C. III, and Meyer, C.E., 1996, Early to middle Pleistocene paleogeography and pluvial lakes at Mormon Point, central Death Valley, California. Geological Society of America, Abstracts with Program, V. 28, No. 6, Denver, Colo.

Koukladas, Catherine, Watters, R.J., and Morton, D.M., 1998, A comparison of rainfall and earthquake generated landslides in the western San Gabriel Mountains, southern California: Association of Engineering Geologists Annual Meeting Program with Abstracts, p. 103.

Lajoie, K.R., Ponti, D.J., and Powell, C.L., II, 1995, Amino-stratigraphy correlations of surface and subsurface marine Pleistocene sediments in the western Los Angeles Basin. Diversity in engineering geology and groundwater resources, Annual Meeting - Association of Engineering Geologists, v. 38, abstract volume, p. 65. Meeting: AEG-GRA 1995 annual meeting; Diversity in engineering geology and groundwater resources, Sacramento, CA, United States, Oct. 2-8, 1995.

Lajoie, K.R., Ponti, D.J., Powell, C.L. II, Mathieson, S.A., and Sarna-Wojcicki, A.M., 1991, Emergent marine strandlines and associated sediments, coastal California; a record of Quaternary sea-level fluctuations, vertical tectonic movements, climatic changes, and coastal processes, in Morrison, R.B., ed., Quaternary Nonglacial Geology: Conterminous U.S.: The Geology of North America, vol. K-2, p. 190-214.

Langenheim, V.E., and Jachens, R.C., 1993, Aeromagnetic map of the San Diego 1:100,000-scale quadrangle, California: U.S. Geological Survey Open-File Report 93-564, 1 sheet, scale 1:100,000.

Langenheim, V.E., and Jachens, R.C., 1996, Aeromagnetic map of the Long Beach 1:100,000-scale quadrangle, California: U.S. Geological Survey Open-File Report 96-287.

Langenheim, V.E., and Jachens, R.C., 1996, Gravity data collected along the Los Angeles Regional Seismic Experiment (LARSE) and preliminary model of regional density variations in basement rocks, southern California: U.S. Geological Survey Open-File Report 96-682, 25p.

Langenheim, V.E., and Jachens, R.C., 1997, Aeromagnetic map of the Los Angeles 1:100,000-scale quadrangle, California: U.S. Geological Survey Open-File Report 97-162.

Langenheim, V.E., Chapman, R.H., Sikora, R.F., Ponce, D.A., and Dixon, E.T., 1991, Isostatic residual gravity map of the Santa Ana 1:100,000-scale quadrangle, California: U.S. Geological Survey Open-File Report 91-555, scale 1:100,000.

Langenheim, V.E., Griscom, Andrew, and Jachens, R.C., 1994, Gravity and magnetic data help image the regional tectonic setting of the 1994 Northridge earthquake: Annual meeting, Seismological Society of America, Pasadena, CA, April 4-6, 1994.

Langenheim, V.E., Halvorson, P.F., Castellanos, E.L., and Jachens, R.C., 1993, Aeromagnetic map of the southern California borderland east of the Patton Escarpment: U.S. Geological Survey Open-File Report 93-520, 1 sheet, scale 1:500,000.

Langenheim, V.E., Jachens, R.C., Bohannon, R.G., and Geist, E.L., 1994, Aeromagnetic map of the Southern California Borderland east of the Patton Escarpment: Geological Society of America, Abstracts with Programs, v. 26, p. 65.

Matti, J.C., 1995, Preliminary geologic map of the Lucerne Valley area (Lucerne Valley and Cougar Buttes 7.5' quadrangles), California: U.S. Geological Survey Administrative Report, scale 1:24,000. This proprietary product responds to funding provided by the Mojave Water Agency in support of ground-water investigations led by USGS Water Resources Division in the Lucerne Valley area.

Matti, J.C., 1995, Preliminary geologic map of the Yucca Valley-Joshua Tree area (Yucca Valley North and South, Joshua Tree North and South 7.5' quadrangles), California: U.S. Geological Survey Administrative Report, scale 1:24,000. This proprietary product responds to funding provided by the Mojave Water Agency in support of ground-water investigations led by USGS Water Resources Division in the Yucca Valley area.

Matti, J.C., and Morton, D.M., 1993, Paleogeographic evolution of the San Andreas fault in southern California: a reconstruction based on a new cross-fault correlation, in Powell, R.E., Weldon, R.J., II, and Matti, J.C., eds., The San Andreas fault system: displacement, palinspastic reconstruction, and geologic evolution: Geological Society of America Memoir 178, p. 107-159.

Matti, J.C., and Morton, D.M., 1994, Geologic map of the Palm Springs and Big Bear Lake 30' x 60' quadrangles, California: progress report 2.0: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 70.

Matti, J.C., and Morton, D.M., 1994, Preliminary geologic map of part of the U.S. Marine Corps Twentynine Palms Air/Ground Combat Center, California: U.S. Geological Survey Administrative Report, 45 p., scale 1:24,000.

This proprietary product responds to funding provided by the U.S. Marine Corps in support of ground-water investigations led by USGS Water Resources Division in the Marine Corps Air/Ground Combat Center at Twentynine Palms.

Matti, J.C., and Morton, D.M., 1995, Preliminary geologic map of the Deadman Lake SW 7.5' quadrangle, U.S. Marine Corps Air/Ground Combat Center, Twentynine Palms, California: U.S. Geological Survey Administrative Report, scale 1:24,000. This proprietary product responds to funding provided by the U.S. Marine Corps in support of ground-water investigations led by USGS Water Resources Division in the Marine Corps Air/Ground Combat Center at Twentynine Palms.

Matti, J.C., and Morton, D.M., 2000, Digital geologic data base of the El Casco 7.5' quadrangle, Riverside County, California, version 1.0: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Matti, J.C., Brown, H.J., Miller, F.K., Wrucke, C.T., Calzia, J.P., and Conway, C.M., 1993, Preliminary geologic map of the north-central San Bernardino Mountains, California: U.S. Geological Survey Open-File Report 93-544, 10 p., scale 1:100,000.

Matti, J.C., Cox, B.F., Carson, S.E., Yetter, T.J., and Morton, D.M., 2000, Digital geologic data base of the Beaumont 7.5' quadrangle, Riverside and San Bernardino Counties, California, version 1.0: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Matti, J.C., Kennedy, S.A., Miller, F.K., Powell, R.E., and Cossette, P.M., 1998, Digital geologic-map data-base architecture for the USGS/CDMG Southern California Areal Mapping Project: some hands-on prototypes: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 53.

Matti, J.C., Miller, F.K., Powell, R.E., Kennedy, S.A., and Cossette, P.M., 1997, Geologic-polygon attributes for digital geologic-map data bases produced by the Southern California Areal Mapping Project, version 1.0: U.S. Geological Survey Open-File Report 97-860, 180 p.

Matti, J.C., Miller, F.K., Powell, R.E., Kennedy, S.A., Bunyapanasarn, T.P., Koukladas, Catherine, Hauser, R.M., and Cossette, P.M., 1997, Geologic-point attributes for digital geologic-map data bases produced by the Southern California Areal Mapping Project, version 1.0: U.S. Geological Survey Open-File Report 97-859, 51 p.

Matti, J.C., Morton, D.M. and Cox, B.F., 1992, The San Andreas fault system in the vicinity of the central Transverse Ranges province, southern California: U.S. Geological Survey Open-File Report 92-354, 40 p., scale 1:250,000.

Matti, J.C., Morton, D.M., Cox, B.F., and Kendrick, K.J., 2000, Digital geologic data base of the Redlands 7.5' quadrangle, Riverside and San Bernardino Counties, California, version 1.0: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Matti, J.C., Morton, D.M., Cox, B.F., Carson, S.C., and Yetter, T.J., 1992, Geologic map of the Yucaipa quadrangle, southern California: U.S. Geological Survey Open-File Report 92-445, scale 1:24,000.

Matti, J.C., Morton, D.M., Cox, B.F., Carson, S.C., and Yetter, T.J., 2000, Digital geologic data base of the Yucaipa quadrangle, Riverside and San Bernardino Counties, California, version 2.0: U.S. Geological Survey Miscellaneous Field Studies Map, scale 1:24,000 (in press).

Matti, J.C., Morton, D.M., and Rymer, M.J., 1991, Geologic map of the Palm Springs and Big Bear Lake 30' x 60' quadrangles, California: A progress report: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 478.

Matti, J.C., Powell, R.E., and Miller, F.K., 1998, The Blackhawk Mountain uplift, southern California: a Quaternary folded-thrust uplift in the left-stepping Helendale fault zone?: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 53.

Matti, J.C., Powell, R.E., and Miller, F.K., 1998, The San Bernardino Mountains of southern California: a Quaternary fold-, thrust-, and tear-fault belt: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 53.

Matti, J.C., Powell, R.E., Miller, F.K., Kennedy, S.A., Ruppert, K.R., Morton, G.L., and Cossette, P.M., 1997, Geologic-line attributes for digital geologic-map data bases produced by the Southern California Areal Mapping Project, version 1.0: U.S. Geological Survey Open-File Report 97-861, 103 p.

Matti, J.C., Wooden, J.L., and Powell, R.E., 1994, Late Cretaceous plutonic and metamorphic complex in the Little San Bernardino Mountains, southern California: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 70-71.

McCrory, P.A., Ingle, J.C., Jr., Wilson, D.S., and Stanley, R.G., 1993, Neogene transfer of central California to the Pacific Plate: implications for evolution of the San Andreas fault: EOS, Transactions American Geophysical Union, v. 74, no. 43, p. 586.

McCrory, P.A., Wilson, D.S., Ingle, J.C., Jr., and Stanley, R.G., 1995, Neogene tectonic evolution of Santa Maria basin, California, and its relationship to transfer of central California to the Pacific plate: U.S. Geological Survey Bulletin 1995-J, p. J1-J38.

McCrory, P.A., Wilson, D.S., Ingle, J.C., Jr., and Stanley, R.G., 1995, Neogene transfer of central California to the Pacific plate: evidence from Santa Maria basin, California: American Association of Petroleum Geologists Bulletin, v. 79, no. 4, p. 593.

McCulloh, T. H., Beyer, L. A., and Enrico, R. J., in press, Paleogene strata of the eastern Los Angeles basin, California: Paleogeography and constraints on Neogene structural evolution: Geological Society of America Bulletin.

McCulloh, T. H., Denison, R. E., Beyer, L. A., and Morin, R. W., in press, Miocene opening of the Los Angeles basin: A reconstruction constrained by surface and subsurface geologic observations and based on 87Sr/86Sr data from early Miocene strata.

McDougall, Kristin, 1991, Late Neogene biostratigraphy and paleoenvironments of the Ventura basin, California: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 477.

McDougall, Kristin, 1996, Benthic foraminiferal response to the closure of the Isthmus of Panama and coincident paleoceanographic changes: Marine Micropaleontology, v. 28, p.133-169.

McDougall, Kristin, 1996, Late Neogene marine incursions and the ancestral Gulf of California: American Association of Petroleum Geologists Annual Convention Program, v. 5, p. A95.

McDougall, Kristin, 1998, Late Neogene marine incursions and the ancestral Gulf of California [abs.]: Revista de la Sociedad Mexicana de Paleontologia, v. 9, p. 68.

McDougall, Kristin, and Lagoe, Martin, 1993, Foraminiferal data from the Balcom Canyon Section, Ventura Basin, California: U.S. Geological Survey Open-File Report 93-386, 132 p.

McDougall, K., and Lagoe, M.B., 1994, Pliocene-Pleistocene biostratigraphy, paleoenvironments, and paleoceanography of the Ventura Basin, California, in Langer, M.R., and Bagi, H., editors, FORAMS 94: Paleobios, v.16 supplement to no. 2, p. 47.

McDougall, Kristin, Poore, R.Z., and Matti, J.C., 1999, Age and environment of the Imperial Formation near San Gorgonio Pass, California: Journal of Foraminiferal Research, v. 29, no. 1, p. 4-25.

McDougall, K., Powell, C.L., II, Matti, J.C., and Poore, R.Z., 1994, The Imperial Formation and the opening of the Gulf of California: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 71.

McLean, Hugh, 1991, Distribution of disharmonic en-echelon folds in siliceous beds of the Miocene Monterey Formation east of San Luis Obispo , California: Bulletin of the American Association of Petroleum Geologists, v. 75, no. 2, p. 375.

McLean, Hugh, 1994, Geologic map of the Lopez Mountain quadrangle, San Luis Obispo County, California: U.S. Geological Survey Map GQ-1723, scale 1:24,000.

McLean, Hugh, 1994, New mapping along the West Huasna fault reveals complex stratigraphic and structural relations in the Lopez Mountain 7.5' quadrangle, San Luis Obispo County, CA: Geological Society of America Abstracts with Programs, v.26, No. 2, p.72.

McLean, Hugh, and Stanley, R.G., 1994, Provenance of sandstone clasts in the lower Miocene Lospe Formation near Point Sal, California: U.S. Geological Survey Bulletin 1995-E, p. E1-E7.

Miller, D.M., and Bedford, D.R., 1998, Geomorphic history from geologic mapping of the El Mirage (Dry) Lake Area, western Mojave Desert, San Bernardino County, California: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 55.

Miller, D.M., and Bedford, D.R., 2000, Geologic map of the El Mirage Dry Lake region, San Bernardino and Los Angeles Counties, California: a geologic data base: U.S. Geological Survey Open-File Report 00-XXX, scale 1:24,000 (in press).

Miller, D.M., and Yount, J.C., 1999, Surficial geology and geomorphic process studies in support of multidisciplinary ecosystem investigations-Examples from parts of Greenwater and Valjean Valleys, Mojave Desert ecosystem, in Slate, J.L., ed., Proceedings of Conference on status of geologic research and mapping in Death Valley National Park, Las Vegas, Nevada, April 9-11, 1999: U.S. Geological Survey Open-File Report 99-153, p. 113-114.

Miller, David M., Davis, Marsha, and Bedford, David R., 1999, Digital Resource Database for Management Decisions: presented in "On the Frontiers of Conservation: Discovery, Reappraisal & Innovation" The 10th Conference on Research and Resource Management in Parks and on Public Lands: Conference proceedings in press, The George Wright Society. http://www.portup.com/~gws/99abstracts.html

Miller, F.K., Matti, J.C., and Powell, R.E., 1998, The Fawnskin quadrangle, first product of a cooperative geologic-mapping project between the U.S. Geological Survey's Southern California Areal Mapping Project (SCAMP) and the U.S. Forest Service: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 55.

Miller, F.K., Matti, J.C., Brown, H.J., and Powell, R.E., 1998, Digital geologic map of the Fawnskin 7.5' quadrangle, California, version 1.0: U.S. Geological Survey Open-File Report 98-579, scale 1:24,000, http://geology.wr.usgs.gov/wgmt/scamp/bb/fsk75quad.html

Minor, Scott A., 1999, Preliminary Geologic Map of the San Guillermo Mountain Quadrangle, Ventura County, California, Version 1.0: U.S. Geological Survey Open-File Report 99-032, scale 1:24,000 http://greenwood.cr.usgs.gov/pub/open-file-reports/ofr-99-0032/

Minor, S.A., and Kellogg, K.S., 1997, A Smaller Big Pine Fault: New Interpretations of fault architecture in the Western Transverse Ranges, Southern California: EOS, Transactions American Geophysical Union, v. 78, n. 46, p. F700.

Morin, R.L., Mariano, John, and Jachens, R.C., 1990, Isostatic residual gravity map of Edwards Air Force Base and vicinity, Kern, Los Angeles, and San Bernardino Counties, California: U.S. Geological Survey Open-File Report 90-664, scale 1:62,500.

Morton, D.M., 1991, Geologic map of the Romoland quadrangle, southern California: U.S. Geological Survey Open-File Report 90-701, scale 1:24,000.

Morton, D.M., 1991, Geologic map of the Steele Peak quadrangle, southern California: U.S. Geological Survey Open-File Report 90-696, scale 1:24,000. Morton, D.M., 1994, Metamorphic rocks in the Perris Block, northwestern Peninsular Ranges, southern California: Geological Society of America Abstracts with Programs, v. 26, p. 76.

Morton, D.M., 1996, Digital geologic map of the Perris 7.5° quadrangle: U.S. Geological Survey, Administrative Report provided to March Air Force Base, scale 1:24,000 (for informal agency use only).

Morton, D.M., 1996, Digital geologic map of the Steele Peak 7.5° quadrangle: U.S. Geological Survey, Administrative Report provided to March Air Force Base, scale 1:24,000 (for informal agency use only).

Morton, D.M., 1998, compiler, Digital geologic map of the Anaheim 7.5° quadrangle: U.S. Geological Survey Admin Report: U.S. Geological Survey administrative report to CDMG (for internal agency use only), 1:24,000 scale.

Morton, D.M., 1998, compiler, Digital geologic map of the El Toro 7.5° quadrangle: U.S. Geological Survey Admin Report: U.S. Geological Survey administrative report to CDMG (for internal agency use only), 1:24,000 scale.

Morton, D.M., 1998, compiler, Digital geologic map of the Laguna Beach 7.5° quadrangle: U.S. Geological Survey Admin Report: U.S. Geological Survey administrative report to CDMG (for internal agency use only), 1:24,000 scale.

Morton, D.M., 1998, compiler, Digital geologic map of the La Habra 7.5° quadrangle: U.S. Geological Survey Admin Report: U.S. Geological Survey administrative report to CDMG (for internal agency use only), 1:24,000 scale.

Morton, D.M., 1998, compiler, Digital geologic map of the Newport Beach 7.5° quadrangle: U.S. Geological Survey Admin Report: U.S. Geological Survey administrative report to CDMG (for internal agency use only), 1:24,000 scale.

Morton, D.M., 1998, compiler, Digital geologic map of the Orange 7.5° quadrangle: U.S. Geological Survey Admin Report: U.S. Geological Survey administrative report to CDMG (for internal agency use only), 1:24,000 scale.

Morton, D.M., 1998, compiler, Digital geologic map of the Tustin 7.5° quadrangle: U.S. Geological Survey Admin Report: U.S. Geological Survey administrative report to CDMG (for internal agency use only), 1:24,000 scale.

Morton, D.M., 1998, compiler, Digital geologic map of the Yorba Linda 7.5° quadrangle: U.S. Geological Survey Admin Report: U.S. Geological Survey administrative report to CDMG (for internal agency use only), 1:24,000 scale.

Morton, D.M., 1999, compiler, Preliminary digital geologic map of the Santa Ana 30' x 60' quadrangle, Southern California, version 1.0: U.S. Geological Survey Open-File Report 99-172 (http://wrgis.wr.usgs.gov/ open-file/of99-172/), scale 1:100,000.

Morton, D.M., and Cox, B.F., 1994, Geologic map of the Riverside East quadrangle, Riverside County, California: U.S. Geological Survey Open-File Report 88-754, scale 1:24,000.

Morton, D.M., and Cox, B.F., 1994, Geologic map of the Riverside West quadrangle, Riverside County, California: U.S. Geological Survey Open-File Report 88-753, scale 1:24,000.

Morton, D.M., and Cox, B.F., 1996, Digital geologic map of the Riverside East 7.5° quadrangle: U.S. Geological Survey Administrative Report provided to March Air Force Base, scale 1:24,000 (for informal agency use only).

Morton, D.M., and Gray, C.H., Jr., 2000, Digital geologic map of the Corona North 7.5° quadrangle, Riverside County, California: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000.

Morton, D.M., and Hauser, R.M., 1998, Distribution of 1997-98 El Nino generated debris flows in southern California: Association of Engineering Geologists Annual Meeting Program with Abstracts, p. 111.

Morton, D.M., and Kistler, R.W., 1997, SRI variation in the northern Peninsular Ranges batholith: Geological Society of America Abstracts with Programs, v. 29, no. 6, p.69.

Morton, D.M., and Matti, J.C., 1991, Geologic map of the Cucamonga Peak quadrangle, southern California: U.S. Geological Survey Open-File Report 90-694, scale 1:24,000.

Morton, D.M., and Matti, J.C., 1991, Geologic map of the Devore quadrangle, southern California: U.S. Geological Survey Open-File Report 90-695, scale 1:24,000.

Morton, D.M., and Matti, J.C., 1991, Geologic map of the San Bernardino 30' x 60' quadrangle, California: A progress report: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 477.

Morton, D.M., and Matti, J.C., 1993, Slip transfer between the San Andreas and San Jacinto fault zones in the eastern San Gabriel Mountains-San Bernardino basin region, southern California, in Powell, R.E., Weldon, R.J., II, and Matti, J.C., eds., The San Andreas fault system: displacement, palinspastic reconstruction, and geologic evolution: Geological Society of America Memoir 178, p. 217-230.

Morton, D.M., and Matti, J.C., 1996, Digital geologic map of the Sunnymead 7.5° quadrangle: U.S. Geological Survey, Administrative Report provided to March Air Force Base, scale 1:24,000 (for informal agency use only).

Morton, D.M., and Matti, J.C., 2000, Digital geologic data base of the Cucamonga Peak 7.5° quadrangle, San Bernardino County, California, version 1.0: Morton, D.M., and Matti, J.C., 2000, U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Morton, D.M., and Matti, J.C., 2000, Digital geologic data base of the Devore 7.5° quadrangle, San Bernardino County, California, version 1.0: Morton, D.M., and Matti, J.C., 2000, U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Morton, D.M., and Matti, J.C., 2000, Digital geologic data base of the Lakeview 7.5' quadrangle, Riverside County, California, version 1.0: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Morton, D.M., and Sadler, P.M., 1989, The failings of the Pelona Schist: landslides and sackungen in the Lone Pine Canyon and Wrightwood areas, eastern San Gabriel Mountains, southern California, in Sadler, P.M., and Morton, D.M., eds., Landslides in a semi-arid environment: Redlands, California, Publications of the Inland Geological Society, v. 2, p. 301-322.

Morton, D.M., and Sadler, P.M., 1989, Landslides flanking the northeastern Peninsular Ranges and in the San Gorgonio Pass area of southern California in Sadler, P.M., and Morton, D.M., eds., Landslides in a semi-arid environment: Redlands, California, Publications of the Inland Geological Society, v. 2, p. 338-355.

Morton, D.M. and Weber, F.H., 1991, Geologic map of the Elsinore quadrangle, southern California: U.S. Geological Survey Open-File Report 90-700, scale 1:24,000.

Morton, D.M. and Weber, F.H., 1993, Geologic map of the Lake Mathews quadrangle, southern California: U.S. Geological Survey Open-File Report 92-688, scale 1:24,000.

Morton, D.M., Campbell, R.H., Jibson, R.W., Wesson, R.L., and Nicholson, C., 1989, Ground fracturing and landsliding produced by the July 8, 1986 North Palm Springs earthquake, in Sadler, P.M., and Morton, D.M., eds., Landslides in a semi-arid environment, with emphasis on the inland valleys of southern California: Publications of the Inland Geological Society, v. 2, p. 183-196.

Morton, D.M., Cox, B.F., and Matti, J.C., 1996, Digital geologic map of the Riverside East, Sunnymead, Perris, and Steele Peak 7.5° quadrangles, southern California: U.S. Geological Survey Administrative Report to March Air Force Base for informal agency use only, scale 1:48,000.

Morton, D.M., Cox, B.F., Matti, J.C., Jachens, R.C., and Hillhouse, J.H., 1997, Regional geology and structure in the area of March Air Force Base, California: U.S. Geological Survey, Administrative Report to March Air Force Base, 31 p., 9 maps, scale 1:24,000 (for informal agency use only).

Morton, D. M., Jachens, R.C., Langenheim, V.E., Mori, J.J., Dawson, M.L., Greenwood, R.B., Lichte, F.E., Kistler, R.W., Fitzgibbon, T.T., 1994, Evolution of the Santa Ana 1:100,000-scale map folio: Geological Society of America Abstracts with Programs, v. 26, p. 76.

Morton, D.M., Matti, J.C., and Kendrick, K.J., 1998, Digital geologic data base of the San Bernardino South 7.5' quadrangle, San Bernardino and Riverside Counties, California, version 1.0: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Morton, D.M., Matti, J.C., Powell, R.E., and Miller, F.K., 1997, SCAMP - The southern California Areal Mapping Project; Cooperative partners: Geological Society of America Abstracts with Programs, v. 29, no. 7.

Morton, D.M., Sadler, P.M., and Minnich, R.A., 1989, Large rock-avalanche deposits: examples from the central and eastern San Gabriel Mountains of southern California, in Sadler, P.M., and Morton, D.M., eds., Landslides in a semi-arid environment: Redlands, California, Publications of the Inland Geological Society, v. 2, p. 323-337.

Morton, D.M., Tan, Siang, and Jachens, R.C., 1998, Digital Santa Ana 1:100,000-scale quadrangle revisited: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 56.

Morton, D.M., Woodburne, M.O., Foster, J., 1991, Geologic map of the Telegraph Peak quadrangle, southern California: U.S. Geological Survey Open-File Report 90-693, scale 1:24,000.

Naeser, C.W., and Naeser, N.D., in press, Fission-track analysis, in Marshall, C.P. and Fairbridge, R.W., eds., The encyclopedia of geochemistry: London, Chapman and Hall, 6 ms p.

Naeser, N.D., Isaacs, C.M., and Keller, M.A., in press, Regional thermal maturity of surface rocks, onshore Santa Maria basin and Santa Barbara-Ventura basin area, California, Chapter X in Keller, M.A., ed., Evolution of sedimentary basins/onshore oil and gas investigations--Santa Maria province: U.S. Geological Survey Bulletin 1995, 71 ms p.

Naeser, N.D., McCulloh, T.H., Enrico, R.J., Beyer, L.A., and Crowley, K.D., 1996, Deep subsurface profiles of temperature, burial history, apatite fission-track annealing, organic maturity, and porosity for two structurally disparate sites in the Los Angeles basin, California [abs]: International Workshop on Fission-Track Dating, Gent, Belgium, August 26-30.

Nielson, J.E., and Bedford, D.R., 1999, Geologic Map of the East of Grotto Hills Quadrangle, California: A Digital Database: U.S. Geological Survey Open-File Report 99-35, scale 1:24,000.

Nielson, J.E., Turner, R.D., Bedford, D.R., 1999, Geologic Map of the Hart Peak Quadrangle, California and Nevada: A Digital Database: U.S. Geological Survey Open-File Report 99-34, scale 1:24,000.

Nourse, Jonathan A., 1999, Early-mid Miocene brittle structures and dikes in the San Gabriel Mountains prepare the ground for San Gabriel fault displacement: Geological Society of America Abstracts with Programs, v. 31, no. 6, p. A-83.

Nourse, Jonathan A., and Litzenberg, Daniel N., 1998, Structural evidence for east-vergent shear in the upper plate of the Vincent Thrust, San Gabriel Mountains, California: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 57.

Nourse, Jon, Morton, D.M. and Matti, J.C., 2000, Digital geologic data base of the Mt. Baldy 7.5° quadrangle, Los Angeles and San Bernardino Counties, California: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000.

Nourse, Jonathan A., Acosta, Guben G., Stahl, Erin R., and Chuang, Matthew K., 1998, Basement geology of the 7.5' Glendora and Mt. Baldy quadrangles, San Gabriel Mountains, California: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 56.

Nourse, Jonathan A., Hazelton, Garrett B., and Jones, Rogan K., 1994, Evidence for two phases of late Cenozoic sinistral slip on the San Antonio Canyon fault, eastern San Gabriel Mountains, California: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 77-78.

Nourse, Jonathan A., Pratt, Melissa L., and Reilly, John P., 1996, Dynamic interactions between surface discharge and groundwater flow in upper San Antonio watershed, San Gabriel Mountains, California: Geological Society of America Abstracts with Programs, v. 28, no. 7, p. A-478.

Nourse, Jonathan A., Reilly, John P., and Pratt, Melissa L., 1994, Pullapart basins along the San Antonio and San Gabriel fault zones, southern California, deduced from surface discharge variations: Geological Society of America Abstracts with Programs, v. 26, no. 7, p. A-416.

Nourse, Jonathan A., Weigand, Peter W., and Hazelton, Garrett B., 1998, Igneous and tectonic response of the eastern San Gabriel Mountains to Neogene extension and rotation of the Transverse Ranges block, in Behl, R. J., ed. Field Trip Guidebook for the 94th Annual GSA Cordilleran Section Meeting, CSU Long Beach, p. 10-1—10-15.

Phillips, R.L., 1991, Depositional environments of the Santa Margarita Formation in the Miocene Santa Maria basin, Huasna syncline: Bulletin of the American Association of Petroleum Geologists, v. 75, no. 2, p. 377.

Ponce, D.A., and Langenheim, V.E., 1992, Isostatic residual gravity map of the Palm Springs 1:100,000 quadrangle, California: U.S. Geological Survey Open-File Report 92-702, scale 1:100,000.

Ponti, D. J., Lajoie, K. R., and Powell, C. L., II, 1991, Upper Pleistocene marine terraces in San Pedro, southwestern Los Angeles Basin, California: implications for aminostratigraphy and coastal uplift. Geological Society of America Abstracts with Programs, v. 23, no. 2, p. 89.

Ponti, D. J., Quinn J. P., Hillhouse, J. W., Powell, C. L., II, (in press), Chronostratigraphy of Pleistocene sediments in the Hancock Park (La Brea Tar Pits) area, Los Angeles, California: Implications for Quaternary deformation and blind-thrust faulting in the northern Los Angeles Basin: U.S. Geological Survey Open-File Report, 22 p.

Ponti, D. J., Quinn, J. P., Hillhouse, J. W., and Powell, C. L., II, 1996, Quaternary chronostratigraphic constraints on deformation and blind-thrust faulting, northern Los Angeles Basin: EOS, Transactions of the American Geophysical Union, v. 77, p. F644.

Ponti, D.J., Barron, J.A., Sarna-Wojcicki, A.M., Cotton, M.L., Hummon, C., and Schneider, C.L., 1994, Benthic foram biostratigraphy and the age of the Pico Formation in the northern Los Angeles Basin: Potential problems for evaluation activity of blind thrust faults (abstract): EOS, Transactions of the American Geophysical Union, v. 74, no. 43, p. 434.

Powell, C. L., II, 1993, Macrofossils from the Imperial Formation in the Ocotillo Wells State Vehicle Recreation area, Imperial and San Diego counties, California. U.S. Geological Survey Open-File Report 93-562, 7 p.

Powell, C. L., II, 1995, Paleontology and significance of the Imperial Formation at Garnet Hill, Riverside County, California: U.S. Geological Survey Open-File Report 95-489, 10 p.

Powell, C. L., II, 1995, Preliminary report on the Echinodermata from the Miocene and Pliocene of the Coyote Mountains, southern California, in Remeika, Paul and Sturz, Anne, eds., Paleontology and geology of the western Salton Trough detachment, Anza-Borrego Desert State Park, California: Field trip guidebook and volume for the 1995 San Diego Association of Geologist°s field trip to Anza-Borrego Desert State Park, v. 1, p. 55-63.

Powell, C.L., II, 1997, A record of the inarticulate brachiopod genus Glottidia in the ancestral Gulf of California: U. S. Geological Survey Open-File Report 97-538, 5 p.

Powell, C.L., II, Geologic and molluscan evidence for a previously misunderstood late Pleistocene, cool water, open coast terrace at Newport Bay, southern California. Submitted to The Veliger, 18 ms p.

Powell, C.L., II, Pliocene invertebrates from the Travertine Point outcrop of the Imperial Formation, Imperial County, California. Submitted to Journal of Paleontology, 60 ms p.

Powell, C.L., II and Mooi, R., 1996, Echinodermata of the Miocene and Pliocene Imperial Formation of southern California. Programs and Abstracts, 9th International Echinoderm Conference (August 5 to 9, 1996; San Francisco, CA), p. 105.

Powell, C.L., II, and Stevens, D., in press, Age and paleoenvironmental significance of mollusks from the "San Pedro" Formation, Coyote Hills, Orange County, southern California: Western Society of Malacologists Annual Meeting.

Powell, C.L., II, Ponti, D., and Lajoie, K.A., in press, Preliminary chronostratigraphy for the late Quaternary of southern California based on molluscan biogeography: Western Society of Malacologists Annual Meeting.

Powell, R.E., 1991, Do structures exist that could have accommodated Paleogene docking of exotic Salinian and Peninsular Ranges terranes?: Geological Society of America Abstracts with Programs, v. 23, no. 2, p. 90.

Powell, R.E., 1991, Eagle Mts. 30 'x 60' quadrangle, southern California: I. Geologic mapping: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 478.

Powell, R.E., 1993, Balanced palinspastic reconstruction of pre-late Cenozoic paleogeology, southern California: Geologic and kinematic constraints on evolution of the San Andreas fault system, in Powell, R.E., Weldon, R.J., II, and Matti, J.C., eds., The San Andreas fault system: displacement, palinspastic reconstruction, and geologic evolution: Geological Society of America Memoir 178, p. 1-106.

Powell, R.E., 1994, Geologic map of the Chocolate Mountains, California: U.S. Geological Survey, administrative report, scale 1:100,000. This proprietary product responds to funding provided by the Department of the Navy in support of land-use planning investigations on the Chocolate Mountains Aerial Gunnery Range.

Powell, R.E., 1995, Extensional tectonism in the Chocolate Mountains, California and its relation to the early evolution of the San Andreas fault system, in Leon T. Silver 70th birthday symposium and celebration: Division of Geological and Planetary Sciences, California Institute of Technology, p. 91-96.

Powell, R.E., and Matti, J.C., 1998, Stratigraphic and geomorphic relations in the Mojave Desert and San Bernardino Mts piedmont, Lucerne Valley, CA: PART I: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 59.

Powell, R.E., and Matti, J.C., 1998, Stratigraphic and geomorphic relations in the Mojave Desert and San Bernardino Mts piedmont, Lucerne Valley, CA: PART II: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 59.

Powell, R.E., and Weldon, R.J., 1992, Evolution of the San Andreas fault: Annual Reviews of Earth and Planetary Science, v. 20, p. 431-468.

Powell, R.E., Hall, Roland, and Dawson, Michael, 1994, Preliminary geologic map of the Chocolate Mts. and vicinity, Salton Sea, Eagle Mts., and Trigo Mts. 30° x 60° quadrangles, southern California: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 82.

Powell, R.E., Matti, J.C., and Eppes, M.C., 2000, Digital geologic data base of the Cougar Buttes 7.5° quadrangle, San Bernardino County, California: a geologic data base: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Powell, R.E., Matti, J.C., and Miller, F.K., in preparation, Digital geologic map of the Cougar Buttes 7.5' quadrangle, California, version 1.0: U.S. Geological Survey Open-File Report 99-XXX, scale 1:24,000.

Powell, R.W., Weldon, R.J., and Matti, J.C., 1993, The San Andreas fault system: Displacement, palinspastic reconstruction, and geologic evolution: Geological Society of America Memoir 178, 332 p.

Premo, W.R., Morton, D.M., Kistler, R.W., Snee, L.W., Lichte, F.E., and Naeser, N., 1994, Preliminary geochemical and isotopic results of a section across the northern Peninsular Ranges batholith: Geological Society of America Abstracts with Programs, v. 26, p. 82.

Premo, W.R., Morton, D.M., Snee, L.W., Naeser, N.D., and Fanning, C.M., 1998, Isotopic ages, cooling histories, and magmatic origins for Mesozoic tonalitic plutons from the northern Peninsular Ranges batholith, s. California: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 59.

Quinn, J. P., Ponti, D. J., Hillhouse, J. W., and Powell, C. L., II, 1997, Quaternary chronostratigraphic constraints on deformation and blind thrust faulting, northern Los Angeles Basin. in Quinn, J. P., Collaborative research (Gorian and Associates, Inc. land United States Geological Survey): Geological investigations to evaluate the Wilshire fault blind thrust model. Final Technical Report, 1434-95-G-2523 (Program Element II, Component II.5): 31 p.

Reynolds, R.E., and Cox, B.F., 1999, Tracks along the Mojave: A field guide from Cajon Pass to the Manix basin and Coyote Lake [field trip road log], in Reynolds, R.E., and Reynolds, Jennifer, eds., Tracks along the Mojave: A field guide from Cajon Pass to the Calico Mountains and Coyote Lake [road log and contributed papers]: Redlands, California, San Bernardino County Museum Association Quarterly, v. 46, no. 3, p. 1-23.

Reynolds, R.E., Calzia, J.P., and Cox, Brett, 1998, Finding faults in the Mojave: field trip guide, in Calzia, J.P., and Reynolds, R.E., eds., The 1998 Desert Research Symposium field trip guide and volume: Redlands, California, San Bernardino County Museum Association Quarterly, v. 45, nos. 1-2, p. 3-12.

Ridley, I.W., Lichte, F.R., Kistler, R.W. Berger, B., and Morton, D.M., 1994, Regional geochemical variations within the northern Peninsular and Transverse Ranges batholith provinces, southern California: Geological Society of America Abstracts with Programs, v. 26, p. 84.

Ridley, Ian, Lichte, Frederick E., Kistler, Ronald, and Morton, Douglas M., 1997, Trace element and isotope geochemistry of the Southern California batholith: new data for the northern Peninsular and Transverse Ranges: Geological Society of America Abstracts with Programs, v.29, no. 6. p. A-68-69.

Rymer, M.J., 1991, Geologic structure, transpression, and neotectonics of the San Andreas fault in the Salton Trough, California, in Walawender, M.J., and Hanan, B.B., eds., Geological excursions in southern California and Mexico: Guidebook, 1991 Annual Meeting, Geological Society of America: San Diego State University, San Diego, California, p. 388-396.

Rymer, M.J., 1992, The 1992 Joshua Tree, California, earthquake: Tectonic setting and triggered slip (abs): EOS, Transactions American Geophysical Union, v. 73, p. 363.

Rymer, M.J., 1994, New geologic mapping and stratigraphic and structural relations along the San Andreas fault zone in the Coachella Valley, southern California: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 87.

Rymer, M.J., 1994, Quaternary fault-normal thrusting in the northwestern Mecca Hills, southern California, in McGill, S.F., and Ross, T.M., eds., Geological investigations of an active margin: Guidebook, 1994, Geological Society of America, Cordilleran Section, p. 325-329.

Rymer, M. J., Powell, C. L., II, Sarna-Wojcicki, A. M., and Barron, J. A., 1995, Late Miocene stratigraphic and paleogeographic setting of Garnet Hill in the northwestern Salton Trough, southern California: A.A.P.G., S.E.P.M., S.E.G., A.E.G., S.P.W.L.A., D.P.A., D.E.G., E.M.D., A.W.G, 1995 Pacific Section convention (San Francisco, CA), schedule and abstracts, p. 43.

Rymer, M.J., Sarna-Wojcicki, A.M., Powell, C.L., II, and Barron, J.A., 1994, Stratigraphic evidence for late Miocene opening of the Salton Trough in southern California: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 87.

Sadler, P.M., and Morton, D.M., eds., 1989, Landslides in a semi-arid environment: Redlands, California, Publications of the Inland Geologic Society, v. 2, 386 p.

Sadler, P.M., and Morton, D.M., 1989, Landslides of the uppermost Santa Ana River basin and the adjacent San Bernardino Mountains of southern California, in Sadler, P.M., and Morton, D.M., eds., Landslides in a semi-arid environment: Redlands, California, Publications of the Inland Geologic Society, v. 2, p. 356-386.

Saltus, R.W., and Jachens, R.C., 1994, Gravity and basin-depth maps for the Basin and Range province, western United States: U.S., Geological Survey Geophysical Map GP-1012, 4 sheets, scale 1:2,500,000.

Sarna-Wojcicki, A.M., 1995, Vignette on landslide at La Conchita Ranch, Ventura Co, Calif., in Wilshire, H.G., Wentworth, C.M., Howard, K.A., and Gibbons, Helen, Geologic processes at the land surface: U.S. Geological Survey Bulletin 2149, p. 2-4.

Sarna-Wojcicki, A.M., 1998, Tephrochronology: in Sowers, J.M., Noller, J.S., and Lettis, W.R., eds., Dating and earthquakes: Review of Quaternary geochronology and its applications to paleoseismology. U.S. Nuclear Regulatory Commission, NUREG-5562, p. 2-569 to 2-596.

Sarna-Wojcicki, A. M., and Davis, J. O., 1991, Quaternary Tephrochronology, in Morrison, R. B., ed., Quaternary nonglacial geology: Conterminous United States: Geological Society of America, DNAG Series, v. K-2, p. 93-116.

Sarna-Wojcicki, A.M., Lajoie, K.R., Meyer, C.E., Adam, D.P., and Rieck, H.J., 1991, Tephrochronologic correlation of upper Neogene sediments along the Pacific margin, conterminous United States, in Morrison, R.B., ed., Quaternary nonglacial geology: Conterminous United States. Geological Society of America, DNAG Series, v. K-2, p. 117-140.

Shaw, S.E., Todd, V.R., and Hammarstrom, J.M., 1994, Preliminary mafic mineral chemistry of Jurassic and early Cretaceous plutons of the Peninsular Ranges batholith, California: Geological Society of America Abstracts with Programs, v. 26, p. 91.

Sheehan, T.P., 1992, Modification of two palynological processing techniques: Ultrasonic processing and early-stage sieving: U.S. Geological Survey Open-File Report 92-564, 7 p.

Sieh, K.E., and Matti, J.C., 1992, Earthquake Geology San Andreas fault system Palm Springs to Palmdale: Los Angeles, Association of Engineering Geologists, southern California Section, Guidebook and reprint volume, 165 p.

Sieh, K.E., and Matti, J.C., 1992, The San Andreas fault system between Palm Springs and Palmdale, southern California: field-trip guidebook, in Sieh, K.E., and Matti, J.C., eds., Earthquake Geology San Andreas fault system Palm Springs to Palmdale: Los Angeles, Association of Engineering Geologists, southern California Section, Guidebook and reprint volume, p. 1-12.

Sliter, W.V., McDougall, K.A., Vedder, J.G., and Whidden, K.J., 1994, Age and depositional history of Paleogene shallow-water limestone in the western Transverse Ranges: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 92.

Smith, D.K., Morton, D.M., and Miller, F.K., 1991, Hornblende geobarometry and biotite K-Ar ages from the northern part of the Peninsular Ranges batholith, southern California: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 272.

Snee, L.W., and Ford, E.E., 1991, 40Ar/39Ar thermochronology of granitic pegmatites and host rocks, San Diego County, California: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 479.

Snee, L.W., Todd, V.R., Naeser, C.W., Naeser, N.D., and Morton, D.M., 1994, Preliminary 40Ar/39Ar and fission-track cooling ages of plutonic rocks across the Peninsular Ranges batholith, so. California: Geological Society of America Abstracts with Programs, v. 26, p. 94.

Stakes, D.S., Kistler, R.W., Champion, D.E., 1998, Isotopic and field characteristics of Salinian granites from the Monterey Bay: EOS, Transactions American Geophysical Union, v. 79, no. 45, p. F824.

Stanley, R.G., and Vedder, J.G., 2000, Digital geologic data base of the San Rafael Mountain 7.5° quadrangle, Santa Barbara County, California, version 1.0: U.S. Geological Survey Digital Data Series Publication XXX, scale 1:24,000 (in press).

Stanley, R.G., Cotton, M.L., Bukry, David, Filewicz, M.V., Valin, Z.C., and Vork, D.R., 1994, Stratigraphic revelations regarding the Rincon Shale (lower Miocene) in the Santa Barbara coastal area, California: American Association of Petroleum Geologists Bulletin, v. 78, no. 4, p. 675-676.

Stanley, R.G., Johnson, S.Y., Cole, R.B. Mason, M.A., Swisher, C.C., III, Cotton Thornton, M.L., Filewicz, M.V., Vork, D.R., Tuttle, M.L., and Obradovich, J.D., 1992, Origin of the Santa Maria basin, central California [abs.], in Carter, L.M.H., ed., U.S. Geological Survey Research on Energy Resources, 1992 Program and Abstracts, Eighth V.E. McKelvey Forum on Mineral and Energy Resources: U.S. Geological Survey Circular 1074, p. 73.

Stanley, R.G., Johnson, S.Y., Obradovich, J.D., Tuttle, M.L., Cotton Thornton, M.L., Vork, D.R., Filewicz, M.V., Mason, M.A., and Swisher, C.C., III, 1990, Age, facies, and depositional environments of the lower Miocene Lospe Formation, Santa Maria basin, central California [abs.], in Carter, L.M.H., ed., U.S. Geological Survey Research on Energy Resources--1990 Program and Abstracts, Sixth V.E. McKelvey Forum on Mineral and Energy Resources: U.S. Geological Survey Circular 1060, p. 78-79.

Stanley, R.G., Johnson, S.Y., Obradovich, J.D., Tuttle, M.L., Cotton Thornton, M.L., Vork, D.R., Filewicz, M.V., Mason, M.A., and Swisher, C.C., III, 1990, Age and depositional setting of the type Lospe Formation (lower Miocene), Santa Maria basin, central California [abs.]: American Association of Petroleum Geologists Bulletin, v. 74, no. 5, p. 770-771.

Stanley, R.G., Johnson, S.Y., Swisher, C.C., III, Mason, M.A., Obradovich, J.D., Cotton, M.L., Filewicz, M.V., and Vork, D.R., 1998, Age of the Lospe Formation (early Miocene) and origin of the Santa Maria basin, California: U.S. Geological Survey Bulletin 1995-M, p. M1-M37.

Stanley, R.G., Johnson, S.Y., Tuttle, M.L., Mason, M.A., Swisher, C.C., III, Cotton Thornton, M.L., Vork, D.R., Filewicz, M.V., Cole, R.B., and Obradovich, J.D., 1991, Age, correlation, and origin of the type Lospe Formation (lower Miocene), Santa Maria basin, central California [abs.]: American Association of Petroleum Geologists Bulletin, v. 75, no. 2, p. 382.

Stanley, R.G., Pawlewicz, M.J., Vork, D.R., Johnson, S.Y., and Valin, Z.C., 1995, Preliminary report on petroleum source potential and thermal maturity of the Lospe Formation (lower Miocene) near Point Sal, onshore Santa Maria basin, California: U.S. Geological Open-File Report 95-530, 36 p.

Stanley, R.G., Pawlewicz, M.J., Vork, D.R., Johnson, S.Y., and Valin, Z.C., 1996, Petroleum source potential and thermal maturity of the Lospe Formation (lower Miocene) near Point Sal, onshore Santa Maria basin, California: U.S. Geological Survey Bulletin 1995-N, p. N1-N18.

Stanley, R.G., Stone, P., Vedder, J.G., and McDougall, K., Kellogg, K.S., Minor, S.A., and Premo, W.R., 1998, New 1:24,000-scale Geologic Mapping in the Cuyama 30x60 min. sheet, southern Coast Ranges and Western Transverse Ranges, Calif.: Geological Society of America, Abstracts with Programs, v. 30, no. 5, p. 65.

Stanley, R.G., Vedder, J.G., McLean, Hugh, Wiley, Cotton Thornton, T.J., Vork, D.R., Filewicz, M.V., Johnson, S.Y., Tuttle, M.L. M.L., Mason, M.A., and Swisher, C.C., III, 1991, Three stratigraphic revelations in the Santa Maria province, California, and their paleogeographic and paleotectonic significance: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 476.

Tennyson, M.E., compiler, 1992, Preliminary geologic map of Santa Maria 30' x 60' quadrangle, California: U.S. Geological Survey Open-File Report 92-189 13 p., 2 oversize plates, scale 1:100,000.

Tennyson, M.E., 1992, Preliminary geologic map of Santa Maria 30' x 60' quadrangle, central coastal California--Progress toward a digital compilation, in Carter, L.M.H., ed., Program and abstracts, Eighth V.E. McKelvey Forum on Mineral and Energy Resources: U.S. Geological Survey Circular 1074, p. 75-76.

Tennyson, M. E., and Beeman, W. R., 1993, Preliminary 1:100,000-scale geologic map of Santa Maria 30' x 60' quadrangle, California: a digital compilation in progress [abs.]: American Association of Petroleum Geologists Bulletin, v. 77, p. 718.

Tennyson, M. E., and Beeman, W. R., 1994, Digital compilation of Santa Maria 30' x 60' quadrangle, California--Status and structural implications [abs.]: Geological Society of America Abstracts with Programs, v. 26, no. 2, p 98.

Tennyson, M.E., and Vedder, J.G., 1991, Preliminary 1:100,000-scale geologic map of Santa Maria 30' x 60' quadrangle, central coastal California: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 476.

Tennyson, M.E., Beeman, W. R., and Urban, Stephanie B., 1995, Preliminary digital geologic map of the Santa Maria 30' X 60' quadrangle, California, in ARC/INFO, with exploration well locations and subsurface formation depths: U.S. Geological Survey Open-File Report 95-25, scale 1:100,000.

Tennyson, M.E., Keller, M.A., Filewicz, M.V., and Cotton Thornton, M.L., 1991, Contrasts in early Miocene subsidence history across Oceabuc-West Huasna fault system, northern Santa Maria Province, California: Bulletin of the American Association of Petroleum Geologists, v. 75, no. 2, p. 383.

Tinsley, J. C., and Cox, B. F., 1994, Neotectonics and hydrologic influence of the Harper Lake-Camp Rock fault near the Nebo Annex of the Marine Corps Logistics Base, Barstow, California, in McGill, S.F., and Ross, T. M., eds., Geological investigations of an active margin: Geological Society of America, Cordilleran Section, guidebook, p. 169-171.

Todd, V.R., 1994, Geologic map of the Julian 7.5' quadrangle, San Diego County, California: U.S. Geological Survey Open-File Report 94-16, scale 1:24,000.

Todd, V.R., 1995, Geology of the Mount Laguna quadrangle, San Diego County, California: U.S. Geological Survey Open-File Report 95-522, scale 1:62,500.

Todd, V.R., Shaw, S.E., Girty, G.H., and Jachens, R.G., 1991, A probable Jurassic arc of continental affinity in the Peninsular Ranges batholith: Geological Society of America Abstracts with Programs, v. 23, no. 2, p. 104.

Todd, V.R., Shaw, S.E., Jachens, R.C., Kimbrough, D.L., Girty, G.H., and Hammarstrom, J.M., 1991, The El Cajon 30° x 60° quadrangle, southern California: A geologic history from early Mesozoic continental growth to modern rift-transform tectonics: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 479.

Tucker, A. B., Feldmann, R. M., Powell, C. L., II, 1994, A new late Miocene crab, Speocarcinus berglundi n. sp. (Decapoda: Brachyura), from the Imperial Formation (late Miocene to late Pliocene) of Riverside County, southern California: Journal of Paleontology, v. 68, no. 4, p. 800-807.

U.S. Geological Survey, 1982, The Imperial Valley, California, earthquake of October 15, 1979: U.S. Geological Survey Professional Paper 1254, 451 p.

U.S. Geological Survey, 1996, Aeromagnetic map of parts of Los Angeles, San Bernardino, Bakersfield, Long Beach, and Santa Ana 1' by 2' quadrangle, California, U.S. Geological Survey Open-File Report 96-550, scale 1:250,000.

U.S. Geological Survey, 1996, Aeromagnetic map of the Carrizo Plain area on parts of the Bakersfield, Los Angeles, and San Louis Obispo 1' by 2' quadrangles, California: U.S. Geological Survey Open-File Report 96-692, scale 1:100,000.

Vedder, J.G., Howell, D.G., and McLean, Hugh, 1994, Preliminary geologic map of Bates Canyon and part of Peak Mountain quadrangles, California: U.S. Geological Survey Open-File Report 94-128, 1:24,000 scale.

Vedder, J.G., Howell, D.G., McLean, Hugh, and Stanley, R.G., 1991, New 1:24,000-scale geologic maps contribute significant stratigraphic and structural information in the San Luis Obispo-Santa Maria area, California: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 476.

Vedder, J.G., McLean, Hugh, and Stanley, R.G., 1994, New 1:24,000-scale geologic maps show stratigraphic and structural relations that require reinterpretation of Cretaceous and Cenozoic tectonic events in the Sierra Madre-San Rafael Mountains area, California: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 100-101.

Vedder, J.C., Howell, D.G., McLean, Hugh, Stanley, R.G., and Wiley, T.J., 1991, Geologic map of the Tepusquet Canyon and Manzanita Mountain quadrangles: U.S. Geological Survey Open-File Report 91-109, scale 1:24,000.

Vedder, J.G., McLean, Hugh, and Stanley, R.G., 1995, Preliminary geologic map of Big Pine Mtn. quadrangle, California: U.S. Geological Survey Open-File Report 95-554, scale 1:24,000.

Vedder, J.G., McLean, Hugh, Stanley, R.G., and Wiley, T.J., 1991, Paleogeographic implications of an erosional remnant of Paleogene rocks southwest of the Sur-Nacimiento fault zone, southern Coast Ranges, California: Geological Society of America Bulletin, v. 103, no. 7, p. 941-952.

Vedder, J.G., Stanley, R.G., McLean, Hugh, Cotton, M.L., Filewicz, M.V., and Vork, D.R., 1998, Age and tectonic inferences from a condensed (?) succession of Upper Cretaceous and Paleogene strata, Big Pine Mountain, Santa Barbara County, California: U.S. Geological Survey Bulletin 1995-S, p. S1-S33.

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Wallace, R.E., ed., 1990, The San Andreas fault system, California: U.S. Geological Survey Professional Paper 1515, 283 p. Ward, A.W., and Dixon, G.L., 1993, Geologic map of the Redman quadrangle, Los Angeles: U.S. Geological Survey Open-File Report 93-695, scale 1:24,000.

Ward, A.W., and Dixon, G.L., 1993, Geologic map of the Rogers Lake North quadrangle, Los Angeles: U.S. Geological Survey Open-File Report 93-694, scale 1:24,000.

Ward, A.W., Dixon, G.L., and Farr, T.L., Geologic Mapping and Topical Studies in the Victorville 1:100,000-scale Quadrangle: Progress Report: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 102.

Ward, A.W., Dixon, G.L., and Jachens, R.C., 1993, Geologic setting of East Antelope Basin, with emphasis on fissuring on Rogers Dry Lake, Edwards Air Force Base, Mojave Desert, California: U.S. Geological Survey Open-File Report 93-263, 8 p.

Ward, A.W., Dixon, G.L., Galloway, Devin, and Mariano, John, 1991, Land subsidence at Edwards AFB, Mojave Desert, California: Groundwater withdrawal or neotectonics?: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 477.

Weber, F.H., Jr., 1991, Geologic map of the Lancaster 30° x 60° quadrangle, southern California: A progress report: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 477.

Weigand, Peter W., Nourse, Jonathan A., and Hazelton, Garrett B., 1994, Geochemical comparison of Miocene intrusive rocks in the eastern San Gabriel Mountains and the middle Miocene Glendora Volcanics: Geological Society of America Abstracts with Programs, v. 26, no. 7, p. A-293.

Wells, S.G., Tinsley, J.C., McFadden, L.D, and Lancaster, Nicholas, 1994, Quaternary stratigraphy and dating methods: Understanding geologic processes and landscape evolution in southern California, in McGill, S. F., and Ross, T.M., eds., Geological Investigation of an active Margin; San Bernardino, California: Geological Society of America Cordilleran Section Guidebook, 27th Annual Meeting, p. 120-214.

Whidden, K.J., Bottjer, D.J., Lund, S.P., and Sliter, W.V., 1993, Active margin carbonates as indicators of tectonism: Evidence from Paleogene limestones in the western Transverse Ranges, California: Geological Society of America Abstracts with Programs, v. 25, p. A-63.

Williams, C. F., Beyer, L. A., Grubb, F. V., 1996, Heat flow in the Los Angeles Basin, California: Implications for Seismic Risk: EOS, Transactions American Geophysical Union, v. 77, n. 46, page F509.

Wilson, D.S., McCrory, P.A., and Stanley, R.G., 1997, Incorporating geologic constraints into kinematic plate reconstructions: example from the North America margin [abs.]: submitted to the Chapman Conference on "The History and Dynamics of Global Plate Motions," June 17-22, 1997, Marconi Conference Center, Point Reyes National Seashore, Marshall, California.

Wooden, J.L., Kistler, R.W., and Fleck, R.J., 1996, Problems using the U-Pb Zircon technique to determine the time of crystallization--Lessons from the western U.S. Cordillera: Geological Society of America Abstracts with Programs, v. 28, p. 126.

Wooden, J.L., Kistler, R.W., and Morton, D.M., 1997, Rb-Sr WR ages and Sr, O, and Pb isotopic systematics of plutons in the northern Peninsular Ranges batholith southern California: Geological Society of America Abstracts with Programs, v. 29, no. 5, p. 74.

Wooden, J.L., Kistler, R.W., and Robinson, A., 1996, Pb and Sr isotopic variations in Mesozoic intrusive rocks in the western U.S. Cordillera: Geological Society of America Abstracts with Programs, v. 28, no. 5, p.126.

Wooden, J.L., Kistler, R.W., Fleck, R.J., Morton, D.M., and Barth, A.P., 1998, Pb and Sr isotopic and age constraints among the geologic terranes in southern California: a tool for understanding range uplift, basin development, and tectonic evolution: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 71.

Wooden, J.L., Kistler, R.W., Morton, D.M., and Lichte, F.E., 1994, A Pb, Sr, and O isotopic transect across the northern Peninsular Ranges batholith, southern California: EOS, Transactions of the American Geophysical Union, v. 75, p. 701.

Wooden, J.L., Kistler, R.W., Tosdal, R.M., Robinson, A., and Wright, J.E., 1997, Pb and Sr isotopic mapping of crustal structure in the northern Great Basin: Geological Society of America Abstracts with Programs, v. 29, no. 6, p. A-70.

Wooden, J.L., Powell, R.E., Howard, K.A., and Tosdal, R.M., 1991, Eagle Mts. 30' x 60' quadrangle, southern California: II. Isotopic and chronologic studies: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 478.

Wooden, J.L., Tosdal, R.M., Howard, K.A., Powell, R.E., Matti, J.C., and Barth, A.P., 1994, Mesozoic intrusive history of parts of the eastern Transverse Ranges, California: preliminary U-Pb zircon results: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 104-105.

Yerkes, R.F., compiler, 1996, Preliminary geologic map of the Mint Canyon quadrangle, southern California: U.S. Geological Survey Open-File Report 96-89 (digital release OFR 97-164), scale 1:24,000.

Yerkes, R.F., compiler, 1996, Preliminary geologic map of the San Fernando quadrangle, southern California: U.S. Geological Survey Open-File Report 96-88 (digital release OFR 97-163), scale 1:24,000.

Yerkes, R.F., compiler, 1996, Preliminary geologic map of the Sunland quadrangle, southern California: U.S. Geological Survey Open-File Report 96-87 (digital release OFR 97-270), scale 1:24,000.

Yerkes, R.F., compiler, 1996, Preliminary geologic map of the Van Nuys quadrangle, southern California: U.S. Geological Survey Open-File Report 96-86 (digital release OFR 97-165), scale 1:24,000.

Yerkes, R.F., compiler, 1997, Preliminary geologic map of the Beverly Hills 7.5' quadrangle, southern California: U.S. Geological Survey Digital Open-File Report 97-430.

Yerkes, R.F., compiler, 1997, Preliminary geologic map of the Hollywood 7.5' quadrangle, southern California: U.S. Geological Survey Digital Open-File Report 97-431.

Yerkes, R.F., compiler, 1997, Preliminary geologic map of the Los Angeles 7.5' quadrangle, southern California: U.S. Geological Survey Digital Open-File Report 97-432.

Yerkes, R.F., and Campbell, R.H., 1993, Preliminary geologic map of the Canoga Park 7.5' quadrangle, southern California: U.S. Geological Survey Open-File Report 93-206 (digital release OFR 95-90).

Yerkes, R. F., and Campbell, R. H., 1993, Preliminary geologic map of the Oat Mountain 7.5' quadrangle, southern California: U.S. Geological Survey Open File Report 93-525 (digital release OFR 95-89), scale 1:24,000.

Yerkes, R.F., and Campbell, R.H., 1994, Preliminary geologic map of the Topanga 7.5' quadrangle, southern California: U.S. Geological Survey Open-File Report 94-266 (digital release OFR 95-91), scale 1:24,000.

Yerkes, R.F., and Campbell, 1994, Scamp: West half of Los Angeles 1:100,000 sheet: Geological Society of America Abstracts with Programs, v. 26, no. 2, p. 106.

Yerkes, R.F., and Campbell, R.H., 1995, Preliminary geologic map of the Fillmore quadrangle, southern California: U.S. Geological Survey Open-File Report 95-502 (digital release OFR 95-802), scale 1:24,000.

Yerkes, R.F., and Campbell, R.H., 1995, Preliminary geologic map of the Newhall quadrangle, southern California: U.S. Geological Survey Open-File Report 95-503 (digital release OFR 95-800), scale 1:24,000.

Yerkes, R.F., and Campbell, R.H., 1995, Preliminary geologic map of the Val Verde quadrangle, southern California: U.S. Geological Survey Open-File Report 95-504 (digital release OFR 95-699), scale 1:24,000. Yerkes, R.F., and Campbell, R.H., 1995, Preliminary geologic map of the Piru quadrangle, southern California: U.S. Geological Survey Open-File Report 95-511 (digital release OFR 95-801), scale 1:24,000.

Yerkes, R.F., and Campbell, R.H., 1996, Preliminary geologic map of the Burbank quadrangle, southern California: U.S. Geological Survey Open-File Report 96-253, (digital release OFR 97-166), scale 1:24,000.

Yerkes, R.F., and Campbell, R.H., 1996, Preliminary geologic map of the Moorpark quadrangle, southern California: U.S. Geological Survey Open-File Report 95-827 (digital release OFR 97-260), scale 1:24,000.

Yerkes, R.F., and Campbell, R.H., 1996, Preliminary geologic map of the Santa Susana quadrangle, southern California: U.S. Geological Survey Open-File Report 95-829 (digital release OFR 97-258), scale 1:24,000.

Yerkes, R.F., and Campbell, R.H., 1996, Preliminary geologic map of the Simi quadrangle, southern California: U.S. Geological Survey Open-File Report 95-828 (digital release OFR 97-259), scale 1:24,000.

Yerkes, R.F., and Campbell, R. H., 1997, Geologic map of the Malibu Beach 7.5' quadrangle, southern California: U.S. Geological Survey Digital Open-File Report 97-257.

Yerkes, R.F., and Campbell, R. H., compilers, 1997, Preliminary geologic map of the Newbury Park 7.5' quadrangle, southern California: U.S. Geological Survey Open-File Report 97-428 (digital release OFR 97-459).

Yerkes, R.F., and Campbell, R. H., 1997, Geologic map of the Point Dume 7.5' quadrangle, southern California: U.S. Geological Survey Digital Open-File Report 97-276.

Yerkes, R.F., and Campbell, R. H., compilers, 1997, Preliminary geologic map of the west half, Los Angeles 60' x 30' quadrangle: U.S. Geological Survey Open-File Report 97-483, 2 sheets, scale 1:100,000.

Yerkes, R.F., and Showalter, P.K., 1991, Preliminary geologic map of the Thousand Oaks quadrangle, southern California: U.S. Geological Survey Open-File Report 91-288 (digital release OFR 95-88), scale 1:24,000.

Yerkes, R.F., and Showalter, P.K., 1993, Preliminary geologic map of the Calabasas 7.5' quadrangle, southern California: U.S. Geological Survey Open-File Report 93-205 (digital release OFR 95-51).

Yerkes, R.F., and Showalter, P.K., Preliminary map of exploratory wells showing bottom-hole geology and oil fields, Los Angeles 1:100,000-scale quadrangle: U.S. Geological Survey Open-File Report 90-627, 50 p., 1 plate.

Yerkes, R.F., Campbell, R.H., and Graham, Scott, 1998, Digital geologic map of the Los Angeles 60' x 30' quadrangle: Geological Society of America Abstracts with Programs, v. 30, no. 5, p. 71.

Yerkes, R.F., Showalter, P.K., and Campbell, R.H., 1991, Los Angeles 1:100,000 quadrangle (30' x 60'): One of twenty in the southern California areal mapping project: Geological Society of America Abstracts with Programs, v. 23, no. 5, p. 477.

Yokoyama, C.E., Cole, R.B., Schwartz, R.K., and Stanley, R.G., 1996, Provenance evaluation using sandstone petrography in a middle Tertiary extensional basin, Plush Ranch Formation, California: Geological Society of America Abstracts with Programs, v. 28, no. 3, p. 111.

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