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1by Twenter, F. R.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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2by Cannon, William F.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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3by Stark, J. R.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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4
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5by McDonald, M. G.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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6by Holtschlag, David J.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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7by Whitlow, Jesse W.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1983
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8by Grannemann, N. G.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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9by Glatfelter, D. R. (Dale R.)“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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10by Handy, A. H.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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11by Cummings, T. Ray“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1984
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12Published 1984“...U.S. Dept. of the Interior, Geological Survey ;...”
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13by Holtschlag, David J.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
Government Document Book -
14by Cannon, William F.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1983
Government Document Book -
15by Twenter, F. R.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
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16by Peterson, Warren Lee, 1925-“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1986
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17by Holtschlag, David J.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
Government Document Book -
18by Holtschlag, David J.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
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19by Twenter, F. R.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
Government Document Book -
20Published 1986“...Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book