USGS Scientific Investigations Report 2010–5246  - Three-Dimensional Model of the Geologic Framework for the Columbia Plateau Regional Aquifer System, Idaho, Oregon, and Washington 

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Scientific Investigations Report 2010–5246 

Three-Dimensional Model of the Geologic Framework for the Columbia Plateau Regional Aquifer System, Idaho, Oregon, and Washington 

Figure 9. Model-generated tops for the (A) Saddle Mountains Basalt unit, (B) Wanapum Basalt unit, (C) Grande Ronde Basalt unit, and (D) Older Bedrock unit, Columbia Plateau regional aquifer system, Idaho, Oregon, and Washington.

First posted February 25, 2011

Report PDF (15.5 MB)

For additional information contact:
Director, Washington Water Science Center
U.S. Geological Survey
934 Broadway, Suite 300
Tacoma, Washington 98402
http://wa.water.usgs.gov

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