Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Water Nitrogen content Oklahoma.)

 
 
 

Select Item Title Year Published
Nutrient concentrations, loads, and yields in the Eucha-Spavinaw Basin, Arkansas and Oklahoma, 2002-2004 / 2006
Percentile distributions of median nitrite plus nitrate as nitrogen, total nitrogen, and total phosphorus concentrations in Oklahoma streams, 1973-2001 2003

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