USGS Scientific Investigations Report 2012–5261  - Groundwater Status and Trends for the Columbia Plateau Regional Aquifer System, Washington, Oregon, and Idaho 

Scientific Investigations Report 2012–5261 

Groundwater Status and Trends for the Columbia Plateau Regional Aquifer System, Washington, Oregon, and Idaho 

Figure 7. Distribution of wells used for status and trends analysis for the Columbia Plateau Regional Aquifer System, Washington, Oregon, and Idaho. The water levels represent the period each year when seasonal pumping effects are minimal.

First posted February 5, 2013

Report PDF (19.1 MB)

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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