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Pacific Northwest Geologic Mapping and Urban Hazards

Project proposal figures

Figure 1. Pacific Northwest Urban Corridor Geologic Mapping Project Study Areas
Figure 2. Status of Pacific Northwest Urban Corridor Mapping, 1:100,000 scale
Figure 3a. Status of 7.5 minute geologic mapping, Bellingham area, Washington
Figure 3b. Status of UW and USGS 7.5 minute geologic mapping, Everett - Seattle - Tacoma area
Figure 3c. Status of 7.5 minute geologic mapping along I-5 corridor, Portland - Longview area
Figure 3d. Status of 7.5 minute geologic mapping along I-5 corridor, Salem - Portland area
Figure 3e. Status of 7.5-minute geologic mapping along I-5 corridor, northwestern Oregon - southwestern Washington area
Figure 3f. Planned 7.5-minute geologic mapping, Columbia River Gorge
Figure 4.
Regional Geologic and Special Purpose Maps (1:100,000 to 1:5,000,000 scale)
Figure 5a. Aeromagnetic Surveys in the Pacific Northwest Urban Corridor
Figure 5b.
Gravity Surveys in the Pacific Northwest Urban Corridor
Figure 6a. Extent of lidar surveys, western Washington and northwestern Oregon
Figure 6b. Status of lidar surveys, greater Portland metro area, Oregon, May 2007
Figure 7.
Thumbnail geologic map of Seattle - Tacoma area and vicinity
Figure 8.Thumbnail of 7.5' Geologic Mapping - Portland Basin and Columbia River, OR and WA (14 quadrangles, 9 published).
Figure 9.Thumbnail of 7.5' Geologic Mapping - Columbia River Basalt Aquifer and Mount Angel Fault, Salem, OR area
Figure 10.Thumbnail of 7.5' Geologic Mapping, Gales Creek fault zone,Tualatin Valley, OR. - 15 quadrangles
Figure 11. Thumbnail of 7.5' Geologic Mapping Northern Gales Creek Fault Zone - Nehalem River, OR 30 x 60' Sheet

Ray E. Wells, project chief
U.S. Geological Survey
345 Middlefield Rd. M. S. 973
Menlo Park CA 94025
Phone: (650) 329-4933 FAX: (650) 329-4936
email: rwells@usgs.gov

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