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Scientific Investigations Report 2012–5002


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Evaluation of Long-Term Water-Level Declines in Basalt Aquifers near Mosier, Oregon


Refer to caption

Figure 16. Cumulative number of wells and estimated number of commingling wells drilled in the Mosier, Oregon, study area, 1964–2007. A rule-based algorithm was used to develop a well construction history, including wells that possibly commingle (cross-connect) waters from different aquifers.

First posted March 1, 2012

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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