Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Biological and toxicological investigations of Chicago area navigation projects / by John Dorkin, Philippe Ross, Michael S. Henebry, Jan Miller, and Mark Wetzel 1987
Economic impact of changing the copper effluent standard, R76-21 1979
Ecosystem process modeling of submerged aquatic vegetation in the lower Chesapeake Bay / 1994
Kansas Leeches (Annelida: Hirudinea) With Notes on Distribution and Ecology. 1979

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