Water quality field guide.

Bibliographic Details
Corporate Author:	United States. Soil Conservation Service
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.?] : U.S. Dept. of Agriculture, Soil Conservation Service, 1983.
Series:	SCS-TP ; 160.
Subjects:	Water quality > United States. Water quality management > United States. Water quality. Pollution > Environmental aspects.

Evans: US Documents (Annex 5th floor)