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1
Chemfix solidification/stabilization process, Clackamas, Oregon technology demonstration summary.
[Washington, D.C.] : [Cincinnati, OH : U.S. Environmental Protection Agency ; Center for Environmental Research Information, 1990

Book
2
Oregon solid waste management plan : status report 1969 /
[Washington, D.C.] : U.S. Environmental Protection Agency, 1971

Government Document Book
3
Oregonians restore the Willamette. : Joint citizens, state and federal efforts clean river waters.
by Simison, Herbert E.
Washington : Environmental Protection Agency, 1972

Serial
4
Studies on effects of watershed practices on streams /
by Krygier, James T.
Washington, DC : U.S. Government Printing Office, 1972

Government Document Book
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