Search Results for the EPA National Library Catalog

Items Found: 3

Showing: Items 1 - 3

Your Search: (SUBJECT=Freshwater biology United States.)


Select Item Title Year Published
Biological associated problems in freshwater environments: their identification, investigation and control 1967
Groundwater new perspectives, new initiatives. 1985
Rivers of life : critical watersheds for protecting freshwater biodiversity / 1998

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