Freshwater sphaeriacean clams (Mollusca: Pelecypoda) of North America
By: by J. B. Burch.
Contributors: Oceanography and Limnology Program (Smithsonian Institution); United States. Environmental Protection Agency.
Series: Biota of freshwater ecosystems identification manual; no. 3; Water pollution control research series.
Publisher: U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1972
Place of publication: [Washington
Language: eng
Number of pages: 31
Subjects: Pisidiidae -- North America -- Identification; Corbiculidae; Mollusks -- North America -- Identification
Notes: Bibliography: p. 25.
"Prepared by the Oceanography and Limnology Program, Smithsonian Institution, for the Environmental Protection Agency."
"Project 18050 ELD, contract 14-12-894."