Estimating the Probability of Elevated Nitrate Concentrations in Ground Water in Washington State

Scientific Investigations Report 2008–5025

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5025

Figure - refer to figure caption for alternative text description

Figure 5. Nitrate concentrations in water from wells in Washington from the U.S. Geological Survey and Washington State Department of Ecology databases (1995–2006).

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