Water quality field guide.
Contributors: United States. Soil Conservation Service.
Edition: Slightly rev. March 1988.
Series: SCS-TP -- 160.
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1988
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 63
Subjects: Agricultural pollution -- United States.; Water -- Pollution -- United States.; Water quality -- United States.; Water quality management -- United States.; Water quality.; Pollution -- Environmental aspects.
Notes: Cover title.

"Issued September 1983"--P. [1].

Bibliography: p. 62-63.