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1

Evaluation of water quality models : a management guide for planners /

by Grimsrud, G. Paul, Finnemore, E. John, Owne, H. James
Washington, D.C. : U.S. Environmental Protection Agency, Office of Research and Development, 1976

Government Document Book

2

Public water supply manual.

[Harrisburg, Pa.?] : The Dept., 1995
1st revision June 1995.

Government Document Book

3

NPDES compliance inspection manual.

Washington, DC (401 M St. SW Washington 20460) : U.S. Environmental Protection Agency, Office of Enforcement and Compliance Assurance, 1994
[Rev.].

Government Document Book

4

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

[Washington, D.C.] : U.S. Dept. of Agriculture, Natural Resources Conservation Service, 2003

Government Document Book

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