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1
by Foose, M. P.
Washington, D.C. : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports section, U.S. Geological Survey, 1989
Washington, D.C. : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports section, U.S. Geological Survey, 1989
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2
by Simmons, George Clarke, 1923-
Washington : G.P.O., 1983
Washington : G.P.O., 1983
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3
by Wedow, Helmuth, 1917-
Washington : U.S. Govt. Print. Off., 1975
Washington : U.S. Govt. Print. Off., 1975
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4
by Tysdal, Russell G.
[Washington, D.C.] : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988
[Washington, D.C.] : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988
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5
6
7
by Tysdal, Russell G.
[Washington, D.C.] : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports section, U.S. Geological Survey, 1988
[Washington, D.C.] : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports section, U.S. Geological Survey, 1988
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8
9
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by Pearson, Robert Carl, 1926-
Washington : U.S. Govt. Print. Off., 1978
Washington : U.S. Govt. Print. Off., 1978
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11
12
13
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15
by Bunker, C. M. (Carl Maurice), 1925-2007
Washington : U.S. Govt. Print. Off., 1959
Washington : U.S. Govt. Print. Off., 1959
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16
by Segerstrom, Kenneth, 1909-1992
Washington : U.S. Govt. Print. Off., 1976
Washington : U.S. Govt. Print. Off., 1976
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by Edmunds, William E.
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1972
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1972
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