Scientific Investigations Report 2006–5106

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5106

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Figure - refer to figure caption for alternative text description

Figure 16. Relation between the δ18O of nitrate and the δ15N of nitrate in Lynch Cove, September 2004, (see equations 5 and 6) and mean δ15N (±1 standard deviation) of upper-layer particulate organic matter and nitrate in Union River, western Washington.

(Data for Union River are from Frans and others, 2006).

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For more information about USGS activities in Washington, visit the USGS Washington Water Science Center home page.


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