Freshwater polychaetes (Annelida) of North America,

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Bibliographic Details
Author / Creator:Foster, Nancy Marie Cramer.
Imprint:[Washington, U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1972.
Description:viii, 15 p. illus. 29 cm.
Series:Biota of freshwater ecosystems identification manual no. 4
Water pollution control research series
Subject:Polychaeta -- North America -- Identification.
North America.
Field guides.
Format: U.S. Federal Government Document Print Book
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Other authors / contributors:Oceanography and Limnology Program (Smithsonian Institution)
United States. Environmental Protection Agency
Notes:Prepared by the Oceanography and Limnology Program, Smithsonian Institution, for the Environmental Protection Agency under contract no. 14-12-894.
Bibliography: p. 13.