Suggested Topics within your search.
Suggested Topics within your search.
1
by Gerhart, James M.
University Park : Coal Research Section, Pennsylvania State University, 1977
University Park : Coal Research Section, Pennsylvania State University, 1977
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Book
2
by Flippo, Herbert N.
Harrisburg : Pennsylvania Department of Environmental Resources, 1977
Harrisburg : Pennsylvania Department of Environmental Resources, 1977
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Book
3
4
by Ochs, Jack, 1940-
[Pittsburgh, Pa. : Univ. of Pittsburgh], 1974
[Pittsburgh, Pa. : Univ. of Pittsburgh], 1974
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Book
5
by Spofford, Walter O., Russell, Clifford S., Kelly, Robert A.
Washington : Resources for the Future, 1976
Washington : Resources for the Future, 1976
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Book
6
by Vermeyen, Tracy
Denver, Colo. : Hydraulics Branch, Research and Laboratory Services, Division, Denver Office, U.S. Dept. of the Interior, Bureau of Reclamation, 1991
Denver, Colo. : Hydraulics Branch, Research and Laboratory Services, Division, Denver Office, U.S. Dept. of the Interior, Bureau of Reclamation, 1991
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Government Document
Book