survey of the freshwater mussles (Bivalvia: Unionidae) of the Sangamon River Basin, Illinois
By: Robert W. Schanzle, Kevin S. Cummings.
Contributors: Cummings, Kevin S.; Illinois. Natural History Survey Division
Series: Illinois Natural History Survey biological notes -- 137
Publisher: Illinois Natural History Survey
Published: 1991
Place of publication: Champaign Ill
Language: eng
Number of pages: 25
Subjects: Freshwater mussels -- Illinois -- Sangamon River Watershed
Notes: Cover title.

"July 1991."

Includes bibliographical references (p. 17-19).