GMEG - Geology and Geophysics

Geology of Parks and Federal Lands of the Southwest

Task 5 - Geology of Federal Lands in the Eastern Sierra Region, southwestern Great Basin

Task Leader: Angela S. Jayko

Statement of Problem: federally owned and managed by the National Park Service, U.S.F.S., B.L.M., and D.O.D. Federal lands in this area are of importance to land and resource managers at the federal, state and regional levels for several reasons including active fault hazards, volcano hazards, geothermal resources, ecologic and water resources, proximity to the high level nuclear waste facility, and recreation. This region is tectonically active accommodating approximately 20-25 % of the Pacific- North American Plate motion which is why active faults, volcanoes and geothermal resources are present. The Eastern Sierra Deformation Zone, which lies in this area, links the northern and central Walker Lane belt in western Nevada with the Eastern California Shear Zone in the Mojave area south of the Garlock Fault Zone.

One area, the Mono Basin Wild and Scenic area managed by the U.S.F.S., has been prioritized for surficial geological mapping and neotectonic studies (subtask 5.1). The work associated with Subtask 5.1 has been designed in cooperation with, and at the request of the U.S.F.S., Bishop Field Office. In addition, a letter of support for this task is provided by the BLM. Cooperative efforts with BLM are currently underway during FY06. The work for subtask one is also being done in cooperation with the USGS funded Geothermal Assessment Project lead by Colin Williams. The Mono Basin, similar to Lake Tahoe, is considered a popular, well known, high profile and visible area that hosts a number of important resources that are managed by the N.P.S., U.S.F.S., and B.L.M. The Mono Basin is mainly underlain by the Mono Basin Wild and Scenic area managed by the U.S.F.S., Inyo National Forest. Most of the other lands within the watershed are managed by the B.L.M, although there are also small private land holdings.

Airliner view of the Eastern Sierras and Mono Lake Basin area, California and Nevada

The Yosemite National Park Service manages the upper alpine lands on the west side of the watershed. I.N.F has provided in-kind services to facilitate the mapping and publication of a surficial geology map of the entire basin(letter provided). The BLM, Bishop District Office also strongly supports the task and will be a cooperating agency.

The Mono basin is volcanically active and also an area of interest to the U.S.G.S. Volcano Hazards program mission at the Long Valley Observatory. The Mono Basin and Long Valley lie along the Sierra Nevada Frontal Fault in an area where much of the active NA-Pacific Plate-intraplate deformation appears to step eastward towards the central Walker Lane Belt, however Quaternary deformation rates have not been established for the area. Likewise, the Quaternary structural evolution of the basins remains largely unstudied.

Objectives: paleohydrologic and geomorphic framework for active systems that impact the earths surface and influence landscape modification and landscape evolution. Information about the present landscape, the processes that modifying the land surface and the natural evolution of the land surface is used by land managers who plan and implement resource and waste management on public lands.

The area of subtask 5.1 fulfills requests by the U.S.F.S. Bishop Field Office for a surficial geology map of the Mono Basin Wild and Scenic Area. The area of subtask 1 will also closely interface with ongoing U.S.G.S. studies supported by the Volcano Hazards Program, Long Valley Observatory and U.S.G.S. Water Resources Division monitoring activities in Long Valley and adjacent Mono basin areas.

The primary objective of task 5.1 is to produce a 1:100,000 scale map of the surficial geology of the Mono Basin watershed and adjacent lands. In addition to produce a 1:100,000 scale map of the Quaternary Faults of the Mono Basin and adjacent lands. Derivative products from this mapping effort will include 1.) a synthesis of the tectonic controls on paleohydrologic and hydrothermal systems and 2.) a synthesize the Quaternary evolution and tectonic framework of the Mono basin and adjacent lands.

Another high priority objective is to produce several 1:24,000 scale maps of prioritized areas where concerns regarding either runoff, or active fault and geothermal issues are identified. These targeted areas include the Lundy Canyon, Negit Island, Crestview and June Lake 7.5 minute Quadrangles.

Methodology: Surficial geologic mapping will be done by exploiting available digital imagery including SPOT, Landsat TM7, and Digital Orthophoto quadrangles as well as 1:31,680 color air photos and other types of airphotos as available. Geologic and geomorphic units will be compiled on 1:24,000 field sheets and 1:100,000 scale maps for final publication. Field studies will be made to verify characteristics of units identified using various digital techniques and traditional areal photography. Samples will be collected for 14C, Ar/Ar, u-series and other radiometric dating techniques as needed to constrain the age of surficial units.

SUBTASK 5.1 - Surficial Geology and Quaternary Faults of the Mono Basin, California

Statement of Problem: The Mono Basin, similar to Lake Tahoe, is considered a popular, well known, high profile and visible area that hosts a number of important resources that are managed by the N.P.S., U.S.F.S., and B.L.M. The Mono Basin is mainly underlain by the Mono Basin Wild and Scenic area managed by the U.S.F.S., Inyo National Forest. Most of the other lands within the watershed are managed by the B.L.M, although there are also small private land holdings. The Yosemite National Park Service manages the upper alpine lands on the west side of the watershed. The John Chation (retired) from the U.S.F.S., Inyo National Forest supervisors office expressed interested in cooperating with the U.S.G.S. on a surficial geology map of the Mono Basin. I.N.F has provided in-kind services to facilitate the mapping and publication of a surficial geology map of the entire basin(letter provided). The BLM, Bishop District Office also strongly supports the task and will be a cooperating agency.

Tufa Towers along the shore of Mono Lake

Objectives:
The primary objective of task 5.1 is to produce a 1:100,000 scale map of the surficial geology of the Mono Basin watershed and adjacent lands. In addition to produce a 1:100,000 scale map of the Quaternary Faults of the Mono Basin and adjacent lands. Derivative products from this mapping effort will include 1.) a synthesis of the tectonic controls on paleohydrologic and hydrothermal systems and 2.) a synthesize the Quaternary evolution and tectonic framework of the Mono basin and adjacent lands.

Another high priority objective is to produce several 1:24,000 scale maps of prioritized areas where concerns regarding either runoff, or active fault and geothermal issues are identified. These targeted areas include the Lundy Canyon, Negit Island, Crestview and June Lake 7.5 minute Quadrangles

Task Products

Map, Planned: Bursik, M., Kobs, S., Jayko, A. S, Deming, J., Pietraszek, J., and Valley, P., 2010, Geology of the Mono Lake Islands, Mono County, California: EDMAP product submitted for internal review 8/15/09, submitted to USGS 2/23/09, USGS, Scientific Investigations Map

Map, Planned: Jayko, A. S., 2011, Surficial Geology of the June Lake 7.5' Quadrangle, Mono County, California, USGS Map, Planned: Jayko, A. S. and others, 2011, Surficial Geology of Mono Basin, Mono County, California, USGS, Scientific Investigations Map

Map, Planned: Jayko, A. S., 2011, Surficial Geology of the Lundy Canyon 7.5' Quadrangle, Mono County, California, USGS, Scientific Investigations Map

Jayko, A. S., and others, 2011, High Resolution seismic reflection imaging of Late Quaternary structures, Mono Lake, Mono County, California, USGS, Scientific Investigations Map (in progress).

Journal Article, Planned: Jayko A. S., and others, 2011, Plio-Pleistocene evolution of Mono Basin, USGS

Jayko, A. S., and Bursik, M., 2011, Active Transtensional Intracontinental Basins, Walker Lane, Western Great Basin: in Tectonics of Sedimentary Basins, Busby, C., Azor, Antonio, and Ingersoll, R., editors: Blackwell Publishers, in press.

Jayko, A. S. and Fatooh, J., 2010, Fish Slough, a hydrogeologic summary, Inyo and Mono Counties, California: Bureau of Land Management, Fish Slough Planning Document

Cormier, J., Jayko, A. S., Childs, J. R., McClain, J. S., 2011, Sidescan sonar imaging of surficial deposits, Mono Lake from , Mono County, California, USGS, Scientific Investigations Map (in progress).

Holzer, T. L., Jayko, A. S., Hauksson, E., Fletcher, J. P. B., Noce, T. E., Bennett, M. J., Dietel, C. M., and Hudnut, K. W.,2010, Liquefaction and lateral spreading during the M5.2 Olancha, California, earthquake: Engineering Geology, v. 116, p. 184-188.

Jayko, A. S., 2009, Surficial Geology of the Darwin Hills 30’ X 60’ Quadrangle, Inyo County, California: U.S. Geological Survey Scientific Investigations Map 3040, scale 1: 100,000. 38 p. http://pubs.usgs.gov/sim/3040/

Report, Planned: Jayko, A. S., 2009, Rainfall associated with the July 12th, 2008 flash flood, Independence, Inyo County, California: U.S. Geological Survey Open-file Report, submitted 3/13/09, USGS, Open-File Reports

Jayko, A. S., 2009, Deformation of the Late Miocene to Pliocene Inyo Surface, eastern Sierra region, in Oldow, J., and Cashman, P., editors Late Cenozoic Structure and evolution of the Great Basin-Sierra Nevada Transition: Geological Society of America, Special Paper 447, Chapter 15, p. 313-350.

Jayko, A. S., 2009, The Mono Arch, eastern Sierra Region, California: dynamic topography associated with mantle upwelling? in The Sierra Nevada Plano, Ernst, G. ed., Special Issue, International Geology Review, v. 51, p. 702-722.

Hershler, R. and Jayko, A. S., 2009, A Mactrid Bivalve from Pleistocene deposits of Lake Russell, Mono Basin, California: Journal of Paleontology, v. 83, p. 496-499.

Jayko, A. S. and Blake, M. C. Jr., 2009, Unroofing Franciscan Blueschists: Geological Society of America Abstracts with Programs, v. 41, No. 7, p. 405.

Jayko, A. S., Hart, P. E., Bursik, M. I., McClain, J. S., Moore, J. C., Boyle, M., Childs, J. R., Novick, M. W., Hill, D. P., Mangan, M., Roeske, S. 2009, High resolution seismic reflection profiles of Holocene volcanic and tectonic features, Mono Lake, California: EOS, American Geophysical Union abstract.

Jayko, A. S., 2009, Miocene-Pliocene Uplift Rates of the Sierra Nevada, California: Geological Society of America Abstracts with Programs, v. 41, No. 7, p. 179.

Novick, M. W., Jayko, A. S. Roeske, S., Hart, P. E., McClain, J., and Boyle, M., 2009, High Resolution seismic imaging of the Trench Canyon Fault Zone, Mono Lake, northeastern California: EOS, American Geophysical Union.

Amos, C., Jayko, A. S., and Burgmann, R., 2008, Evaluating Temporal Variations in Fault Slip-Rate and Fault Interaction in the Eastern California shear zone: EOS, American Geophysical Union abstract.

Slemmons, D. B, Vittori, E., Jayko, A. S., Carver, G. A., and Bacon, S. N., 2008, Quaternary Fault and Lineament Map of Owens Valley, Inyo County, Eastern California: Geological Society of America Map and Chart Series 96, 25 pp. 2 sheets, scale: 1:100,000

Bursik, M., Kobs, S., and Jayko, A. S., 2008, Volcanic Geology of Negit Island, Mono Lake, CA: EOS, American Geophysical Union abstracts.

Jayko, A. S., Forester, R. M., Yount, J., Kaufmann, D., McGeehin, J., Phillips, F., and Mahan, S., 2008, Late Pleistocene lakes, Panamint Valley, California, in Reheis, M. C. , Hershler, R., and Miller, D. M.., editors: Late Cenozoic Drainage History of the Southwestern Great Basin and Lower Colorado River Region: Geologic and Biotic Perspective: Geological Society of America, Special Paper 439, p. 150-184.

Jayko, A. S., and Bacon, S. N., 2008, Late Quaternary MIS 6-8 shoreline, Owens Valley, eastern California, in M. C. Reheis, R. Hershler, and D. M. Miller., editors: Late Cenozoic Drainage History of the Southwestern Great Basin and Lower Colorado River Region: Geologic and Biotic Perspective:Geological Society of America, Special Paper 439, p. 185-206.

Jayko, A. S., Jing Liu-Zeng, Hudnut, K., and Wei, Fangqiang 2008, Comparing surface rupture with fault mapping in the Longmen Shan region, May 12, 2008 Wenchuan earthquake from field observations, SRTM elevation data and remote sensing images: EOS, American Geophysical Union, v. , p

Phillips, F. M., Marrero, S. M., Roof, S., Smith, R. S. U., and Jayko, A. S., 2008, Cosmogenic 36Cl chronology for Pleistocene shoreline deposits in Panamint Valley, California: Geochimica et Cosmochimica Acta, v. 72, no. 12S, p. A 744.
Wieczorek, G. F., Wilson, R. C. Ellen, S. D., Reid, M. E., and Jayko, A. S., 2007, Debris flows and rainfall observations at La Honda, California, in Cheng-lung Chen and J. J. Major, editors, Debris-Flow Hazards Mitigation: mechanics, Prediction, and Assessment: Millpress, Rotterdam, Netherlands, p. 55-63.

Jayko, A. S., 2007, Geologic map of the Pahranagat Range 30' x 60' quadrangle, Lincoln and Nye Counties, Nevada: U. S. Geological Survey Scientific Investigations Map 2904, scale 1:100,000, http://pubs.usgs.gov/sim/2007/2904/

Bacon, S. N., Burke, R. M., Pezzopane, S. K. and Jayko, A. S., 2006, Latest Quaternary Lake-Levels of Owens Lake, Inyo County, California: Quaternary Science Reviews, v. 25, p. 1264-1282.

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Task 5 - Geology of Federal Lands in the Eastern Sierra Region, southwestern Great Basin Task Leader: Angela S. Jayko Statement of Problem: federally owned and managed by the National Park Service, U.S.F.S., B.L.M., and D.O.D. Federal lands in this area are of importance to land and resource managers at the federal, state and regional levels for several reasons including active fault hazards, volcano hazards, geothermal resources, ecologic and water resources, proximity to the high level nuclear waste facility, and recreation. This region is tectonically active accommodating approximately 20-25 % of the Pacific- North American Plate motion which is why active faults, volcanoes and geothermal resources are present. The Eastern Sierra Deformation Zone, which lies in this area, links the northern and central Walker Lane belt in western Nevada with the Eastern California Shear Zone in the Mojave area south of the Garlock Fault Zone. One area, the Mono Basin Wild and Scenic area managed by the U.S.F.S., has been prioritized for surficial geological mapping and neotectonic studies (subtask 5.1). The work associated with Subtask 5.1 has been designed in cooperation with, and at the request of the U.S.F.S., Bishop Field Office. In addition, a letter of support for this task is provided by the BLM. Cooperative efforts with BLM are currently underway during FY06. The work for subtask one is also being done in cooperation with the USGS funded Geothermal Assessment Project lead by Colin Williams. The Mono Basin, similar to Lake Tahoe, is considered a popular, well known, high profile and visible area that hosts a number of important resources that are managed by the N.P.S., U.S.F.S., and B.L.M. The Mono Basin is mainly underlain by the Mono Basin Wild and Scenic area managed by the U.S.F.S., Inyo National Forest. Most of the other lands within the watershed are managed by the B.L.M, although there are also small private land holdings.
Airliner view of the Eastern Sierras and Mono Lake Basin area, California and Nevada		The Yosemite National Park Service manages the upper alpine lands on the west side of the watershed. I.N.F has provided in-kind services to facilitate the mapping and publication of a surficial geology map of the entire basin(letter provided). The BLM, Bishop District Office also strongly supports the task and will be a cooperating agency. The Mono basin is volcanically active and also an area of interest to the U.S.G.S. Volcano Hazards program mission at the Long Valley Observatory. The Mono Basin and Long Valley lie along the Sierra Nevada Frontal Fault in an area where much of the active NA-Pacific Plate-intraplate deformation appears to step eastward towards the central Walker Lane Belt, however Quaternary deformation rates have not been established for the area. Likewise, the Quaternary structural evolution of the basins remains largely unstudied.
Objectives: paleohydrologic and geomorphic framework for active systems that impact the earths surface and influence landscape modification and landscape evolution. Information about the present landscape, the processes that modifying the land surface and the natural evolution of the land surface is used by land managers who plan and implement resource and waste management on public lands. The area of subtask 5.1 fulfills requests by the U.S.F.S. Bishop Field Office for a surficial geology map of the Mono Basin Wild and Scenic Area. The area of subtask 1 will also closely interface with ongoing U.S.G.S. studies supported by the Volcano Hazards Program, Long Valley Observatory and U.S.G.S. Water Resources Division monitoring activities in Long Valley and adjacent Mono basin areas. The primary objective of task 5.1 is to produce a 1:100,000 scale map of the surficial geology of the Mono Basin watershed and adjacent lands. In addition to produce a 1:100,000 scale map of the Quaternary Faults of the Mono Basin and adjacent lands. Derivative products from this mapping effort will include 1.) a synthesis of the tectonic controls on paleohydrologic and hydrothermal systems and 2.) a synthesize the Quaternary evolution and tectonic framework of the Mono basin and adjacent lands. Another high priority objective is to produce several 1:24,000 scale maps of prioritized areas where concerns regarding either runoff, or active fault and geothermal issues are identified. These targeted areas include the Lundy Canyon, Negit Island, Crestview and June Lake 7.5 minute Quadrangles. Methodology: Surficial geologic mapping will be done by exploiting available digital imagery including SPOT, Landsat TM7, and Digital Orthophoto quadrangles as well as 1:31,680 color air photos and other types of airphotos as available. Geologic and geomorphic units will be compiled on 1:24,000 field sheets and 1:100,000 scale maps for final publication. Field studies will be made to verify characteristics of units identified using various digital techniques and traditional areal photography. Samples will be collected for 14C, Ar/Ar, u-series and other radiometric dating techniques as needed to constrain the age of surficial units.
SUBTASK 5.1 - Surficial Geology and Quaternary Faults of the Mono Basin, California Statement of Problem: The Mono Basin, similar to Lake Tahoe, is considered a popular, well known, high profile and visible area that hosts a number of important resources that are managed by the N.P.S., U.S.F.S., and B.L.M. The Mono Basin is mainly underlain by the Mono Basin Wild and Scenic area managed by the U.S.F.S., Inyo National Forest. Most of the other lands within the watershed are managed by the B.L.M, although there are also small private land holdings. The Yosemite National Park Service manages the upper alpine lands on the west side of the watershed. The John Chation (retired) from the U.S.F.S., Inyo National Forest supervisors office expressed interested in cooperating with the U.S.G.S. on a surficial geology map of the Mono Basin. I.N.F has provided in-kind services to facilitate the mapping and publication of a surficial geology map of the entire basin(letter provided). The BLM, Bishop District Office also strongly supports the task and will be a cooperating agency.		Tufa Towers along the shore of Mono Lake
Objectives: The primary objective of task 5.1 is to produce a 1:100,000 scale map of the surficial geology of the Mono Basin watershed and adjacent lands. In addition to produce a 1:100,000 scale map of the Quaternary Faults of the Mono Basin and adjacent lands. Derivative products from this mapping effort will include 1.) a synthesis of the tectonic controls on paleohydrologic and hydrothermal systems and 2.) a synthesize the Quaternary evolution and tectonic framework of the Mono basin and adjacent lands. Another high priority objective is to produce several 1:24,000 scale maps of prioritized areas where concerns regarding either runoff, or active fault and geothermal issues are identified. These targeted areas include the Lundy Canyon, Negit Island, Crestview and June Lake 7.5 minute Quadrangles Task Products Map, Planned: Bursik, M., Kobs, S., Jayko, A. S, Deming, J., Pietraszek, J., and Valley, P., 2010, Geology of the Mono Lake Islands, Mono County, California: EDMAP product submitted for internal review 8/15/09, submitted to USGS 2/23/09, USGS, Scientific Investigations Map Map, Planned: Jayko, A. S., 2011, Surficial Geology of the June Lake 7.5' Quadrangle, Mono County, California, USGS Map, Planned: Jayko, A. S. and others, 2011, Surficial Geology of Mono Basin, Mono County, California, USGS, Scientific Investigations Map Map, Planned: Jayko, A. S., 2011, Surficial Geology of the Lundy Canyon 7.5' Quadrangle, Mono County, California, USGS, Scientific Investigations Map Jayko, A. S., and others, 2011, High Resolution seismic reflection imaging of Late Quaternary structures, Mono Lake, Mono County, California, USGS, Scientific Investigations Map (in progress). Journal Article, Planned: Jayko A. S., and others, 2011, Plio-Pleistocene evolution of Mono Basin, USGS Jayko, A. S., and Bursik, M., 2011, Active Transtensional Intracontinental Basins, Walker Lane, Western Great Basin: in Tectonics of Sedimentary Basins, Busby, C., Azor, Antonio, and Ingersoll, R., editors: Blackwell Publishers, in press. Jayko, A. S. and Fatooh, J., 2010, Fish Slough, a hydrogeologic summary, Inyo and Mono Counties, California: Bureau of Land Management, Fish Slough Planning Document Cormier, J., Jayko, A. S., Childs, J. R., McClain, J. S., 2011, Sidescan sonar imaging of surficial deposits, Mono Lake from , Mono County, California, USGS, Scientific Investigations Map (in progress). Holzer, T. L., Jayko, A. S., Hauksson, E., Fletcher, J. P. B., Noce, T. E., Bennett, M. J., Dietel, C. M., and Hudnut, K. W.,2010, Liquefaction and lateral spreading during the M5.2 Olancha, California, earthquake: Engineering Geology, v. 116, p. 184-188. Jayko, A. S., 2009, Surficial Geology of the Darwin Hills 30’ X 60’ Quadrangle, Inyo County, California: U.S. Geological Survey Scientific Investigations Map 3040, scale 1: 100,000. 38 p. http://pubs.usgs.gov/sim/3040/ Report, Planned: Jayko, A. S., 2009, Rainfall associated with the July 12th, 2008 flash flood, Independence, Inyo County, California: U.S. Geological Survey Open-file Report, submitted 3/13/09, USGS, Open-File Reports Jayko, A. S., 2009, Deformation of the Late Miocene to Pliocene Inyo Surface, eastern Sierra region, in Oldow, J., and Cashman, P., editors Late Cenozoic Structure and evolution of the Great Basin-Sierra Nevada Transition: Geological Society of America, Special Paper 447, Chapter 15, p. 313-350. Jayko, A. S., 2009, The Mono Arch, eastern Sierra Region, California: dynamic topography associated with mantle upwelling? in The Sierra Nevada Plano, Ernst, G. ed., Special Issue, International Geology Review, v. 51, p. 702-722. Hershler, R. and Jayko, A. S., 2009, A Mactrid Bivalve from Pleistocene deposits of Lake Russell, Mono Basin, California: Journal of Paleontology, v. 83, p. 496-499. Jayko, A. S. and Blake, M. C. Jr., 2009, Unroofing Franciscan Blueschists: Geological Society of America Abstracts with Programs, v. 41, No. 7, p. 405. Jayko, A. S., Hart, P. E., Bursik, M. I., McClain, J. S., Moore, J. C., Boyle, M., Childs, J. R., Novick, M. W., Hill, D. P., Mangan, M., Roeske, S. 2009, High resolution seismic reflection profiles of Holocene volcanic and tectonic features, Mono Lake, California: EOS, American Geophysical Union abstract. Jayko, A. S., 2009, Miocene-Pliocene Uplift Rates of the Sierra Nevada, California: Geological Society of America Abstracts with Programs, v. 41, No. 7, p. 179. Novick, M. W., Jayko, A. S. Roeske, S., Hart, P. E., McClain, J., and Boyle, M., 2009, High Resolution seismic imaging of the Trench Canyon Fault Zone, Mono Lake, northeastern California: EOS, American Geophysical Union. Amos, C., Jayko, A. S., and Burgmann, R., 2008, Evaluating Temporal Variations in Fault Slip-Rate and Fault Interaction in the Eastern California shear zone: EOS, American Geophysical Union abstract. Slemmons, D. B, Vittori, E., Jayko, A. S., Carver, G. A., and Bacon, S. N., 2008, Quaternary Fault and Lineament Map of Owens Valley, Inyo County, Eastern California: Geological Society of America Map and Chart Series 96, 25 pp. 2 sheets, scale: 1:100,000 Bursik, M., Kobs, S., and Jayko, A. S., 2008, Volcanic Geology of Negit Island, Mono Lake, CA: EOS, American Geophysical Union abstracts. Jayko, A. S., Forester, R. M., Yount, J., Kaufmann, D., McGeehin, J., Phillips, F., and Mahan, S., 2008, Late Pleistocene lakes, Panamint Valley, California, in Reheis, M. C. , Hershler, R., and Miller, D. M.., editors: Late Cenozoic Drainage History of the Southwestern Great Basin and Lower Colorado River Region: Geologic and Biotic Perspective: Geological Society of America, Special Paper 439, p. 150-184. Jayko, A. S., and Bacon, S. N., 2008, Late Quaternary MIS 6-8 shoreline, Owens Valley, eastern California, in M. C. Reheis, R. Hershler, and D. M. Miller., editors: Late Cenozoic Drainage History of the Southwestern Great Basin and Lower Colorado River Region: Geologic and Biotic Perspective:Geological Society of America, Special Paper 439, p. 185-206. Jayko, A. S., Jing Liu-Zeng, Hudnut, K., and Wei, Fangqiang 2008, Comparing surface rupture with fault mapping in the Longmen Shan region, May 12, 2008 Wenchuan earthquake from field observations, SRTM elevation data and remote sensing images: EOS, American Geophysical Union, v. , p Phillips, F. M., Marrero, S. M., Roof, S., Smith, R. S. U., and Jayko, A. S., 2008, Cosmogenic 36Cl chronology for Pleistocene shoreline deposits in Panamint Valley, California: Geochimica et Cosmochimica Acta, v. 72, no. 12S, p. A 744. Wieczorek, G. F., Wilson, R. C. Ellen, S. D., Reid, M. E., and Jayko, A. S., 2007, Debris flows and rainfall observations at La Honda, California, in Cheng-lung Chen and J. J. Major, editors, Debris-Flow Hazards Mitigation: mechanics, Prediction, and Assessment: Millpress, Rotterdam, Netherlands, p. 55-63. Jayko, A. S., 2007, Geologic map of the Pahranagat Range 30' x 60' quadrangle, Lincoln and Nye Counties, Nevada: U. S. Geological Survey Scientific Investigations Map 2904, scale 1:100,000, http://pubs.usgs.gov/sim/2007/2904/ Bacon, S. N., Burke, R. M., Pezzopane, S. K. and Jayko, A. S., 2006, Latest Quaternary Lake-Levels of Owens Lake, Inyo County, California: Quaternary Science Reviews, v. 25, p. 1264-1282.