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by Blumer, Stephen P.
[Denver, Colo.?] : Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor], 1987
[Denver, Colo.?] : Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor], 1987
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3
by Woods, Paul F.
Helena, Mont. : U.S. Geological Survey, 1981
Helena, Mont. : U.S. Geological Survey, 1981
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4
by Bevans, Hugh E.
Lawrence, Kan. : [Lakewood, Colo.] : U.S. Geological Survey ; [Open-File Services Section, Western Distribution Branch, U.S. Geological Survey], 1984
Lawrence, Kan. : [Lakewood, Colo.] : U.S. Geological Survey ; [Open-File Services Section, Western Distribution Branch, U.S. Geological Survey], 1984
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5
by Fishel, David K.
Harrisburg, Pa. : Denver, Colo. : Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Books and Open-File Reports Section [distributor], 1988
Harrisburg, Pa. : Denver, Colo. : Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Books and Open-File Reports Section [distributor], 1988
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