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1Published 1995“...U.S. Geological Survey ;...”
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3by Ebbert, J. C.“...U.S. Geological Survey,...”
Published 1984
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6by Ebbert, J. C.“...U.S. Geological Survey,...”
Published 1995
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7by Drost, B. W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1993
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8by Wagner, R. J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1996
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9by Bortleson, Gilbert Carl, 1940-“...U.S. Department of the Interior, U.S. Geological Survey ;...”
Published 2000
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10by Ebbert, J. C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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11by Ebbert, J. C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2002
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12by Lane, R. C. (Ronald C.), 1946-“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2002
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13by Ebbert, J. C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
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14by Ebbert, J. C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
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15by Ebbert, J. C.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2003
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16by Ebbert, J. C.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2000
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17“...U.S. Department of the Interior, U.S. Geological Survey,...”
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18by Ebbert, J. C.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
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19by Ebbert, J. C.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1985
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20by Prych, Edmund A.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1986
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