National water quality handbook : water, life's most essential element.

Bibliographic Details
Corporate Author:	United States. Natural Resources Conservation Service
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : U.S. Dept. of Agriculture, Natural Resources Conservation Service, [2003]
Subjects:	Water quality > United States > Handbooks, manuals, etc. Water quality management > United States > Handbooks, manuals, etc.

Evans: US Documents (Annex 5th floor)