Water quality field guide. --
Series: United States. Soil Conservation Service. SCS-TP -- 160; SCS-TP -- 160.
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1983
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 63
Subjects: Environmental aspects; Water quality; Pollution
Notes: Caption title.

"Issued September 1983."

Bibliography: p. 62-63.