What makes a healthy environment for native freshwater mussels?

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Format: Government Document Book
Language:English
Published: [Reston, Va.] : [U.S. Geological Survey, U.S. Dept. of the Interior], [2000]
Series:Fact sheet (Geological Survey (U.S.)) ; FS-00-124.
Subjects:
Description
Item Description:Caption title.
Shipping list number: 2001-0074-P.
"October 2000"--P. [1].
Shipping List #: 2001-0074-P
Shipping List Date: 01/03/2001
Physical Description:1 folded sheet (6 pages) : color illustrations, color map ; 28 cm.
Bibliography:Includes bibliographical references (page [6]).