Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Haggard AND Brian AND E.)

 
 
 

Select Item Title Year Published
Environmental characteristics and geographic information system applications for the development of nutrient thresholds in Oklahoma streams 2002
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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