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1by Izbicki, John A.“...U.S. Dept. of the Interior, Geological Survey; Denver, CO :...”
Published 1986
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2by Schroder, L. J.“...U.S. Dept. of the Interior, Geological Survey ; Denver, CO :...”
Published 1985
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3Published 1987“...Dept. of the Interior, U.S. Geological Survey ; Denver, CO :...”
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4Published 1987“...Dept. of the Interior, U.S. Geological Survey ; Denver, CO :...”
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5by Jordan, Paul Robert, 1933-“...Dept. of the Interior, U.S. Geological Survey ; Denver, CO :...”
Published 1986
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6by Thelin, Gail P.“...Dept. of the Interior, U.S. Geological Survey ; Denver, CO :...”
Published 1987
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7by Hobbs, S. W. (Samuel Warren), 1911-“...Dept. of the Interior, U.S. Geological Survey ; Denver, CO :...”
Published 1990
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8by Gibson, Thomas G.“...Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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9by Bartow, J. Alan“...Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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10by Bybell, Laurel M.“...Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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11by Ries, Kernell G., III, 1955-“...U.S. Dept. of the Interior, U.S. Geological Survey ; Denver CO :...”
Published 1999
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12by Sumner, D. M.“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1990
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13by Carr, Wilfred James, 1926-“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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14by Roehler, Henry W.“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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15by Whipkey, C. E.“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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16by Cavaroc, Victor V.“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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17by Haley, J. Christopher“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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18by Moore, James Gregory, 1930-“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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19Published 1990“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
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20by Molenaar, C. M.“...U.S. Dept. of the Interior, U.S. Geological Survey : Denver, CO :...”
Published 1991
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