Ground Water Redox Zonation near La Pine, Oregon: Relation to River Position within the Aquifer

Scientific Investigations Report 2007–5239

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5239

Figure - refer to figure caption for alternative text description

Figure 5. Relation between δ¹⁵N and δ¹⁸O of nitrate in samples from wells at ground-water transect LD24.9 (wells containing nitrite-plus-nitrate concentrations greater than 0.5 mg N/L) and sand-filter effluent from septic tanks near La Pine, Oregon.

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