Macro-invertebrates of the Clark Fork River, Montana
Subtitle: a pollution survey
Contributors: Brinck, C. W.; Montana. Department of Fish and Game; Montana State Board of Health
Series: Water pollution control report (Montana State Board of Health) -- no. 61-1
Publisher: Montana State Board of Health and Montana State Fish and Game Dept.
Published: 1961
Place of publication: Helena?]
Language: eng
Number of pages: 27
Subjects: Water; Freshwater biology; Water quality bioassay; Pollution
Notes: Prepared by Robert J. Averett, survey directed by C.W. Brinck.

"June-September 1958-1959-1960, continuance from biological section of Report no. 59-1."

Cover title.

Bibliography: leaves 11-12.