Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Simpson AND Karl AND W)

Select Item Title Year Published
Keys for the genus Cricotopus adapted from "Revision der Gattung Cricotopus van der Wulp und ihrer Verwandten (Diptera, Chironomidae)" by M. Hirvenoja 1982
Macroinvertebrate survey of the Allegheny River, New York, 1975 1980
Macroinvertebrate survey of the Delaware River in New York State 1982
Macroinvertebrate survey of the upper Hudson River, New York, 1972 : prepared for and in cooperation with Bureau of Monitoring & Surveillance, Division of Pure Waters, New York State Department of Environmental Conservation / 1974

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