USGS Evaluation of Sources of Nitrate Beneath Food Processing Wastewater-Application Sites near Umatilla, Oregon

Scientific Investigations Report 2009-5069

Evaluation of Sources of Nitrate Beneath Food Processing Wastewater-Application Sites near Umatilla, Oregon

Figure - refer to figure caption for alternative text description

Figure 7. Locations of (A) ground-water elevation contours and flow direction and (B) depths to ground water, nitrate concentrations, and apparent recharge age at selected wells, North Farm site, Umatilla River basin, Oregon.

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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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