1.
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[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1991.
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2.
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Washington : U.S. G.P.O., 1993.
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3.
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Washington : U.S. G.P.O. : Denver, CO : For sale by the Books and Open-File Report Sales, U.S. Geological Survey, 1992.
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4.
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[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : For sale by Books and Open-File Reports Section, U.S. Geological Survey, 1991.
QE75 .B9 no.1973-A/G |
Map It |
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5.
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Washington, U.S. Govt. Print. Off., 1973.
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6.
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Washington, U.S. Govt. Print. Off., 1973.
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7.
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[Denver, Colo.?] : Dept. of the Interior, U.S. Geological Survey, 1990.
I 19.76: 90-673 |
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8.
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New York : The Geological Society of America, 1939.
QE182.A3 L68 |
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9.
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[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by Book and Open-File Reports Sales, 1992.
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10.
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Laramie, Wyo. : Geological Survey of Wyoming, 1977.
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