Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Working AND paper AND National AND Eutrophication AND Survey AND U AND S)


 
 
 
Select Item Title Year Published
Distribution of algae in Pennsylvania. 1977
The Relationships of phosphorus and nitrogen to the trophic state of northeast and north-central lakes and reservoirs : preliminary analysis of National Eutrophication Survey data collected during the 1972-73 sampling period. 1974

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