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2by Langenheim, Victoria E.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1997
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3Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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4by Lawrence, Stephen J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
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5by Williams, Jackie M.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1998
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6by Jewel, E. B.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Microform Book -
7by McKee, Edwin H.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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8by Fridrich, Chris J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1998
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9by Hudson, Mark R.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1997
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10by Anna, Lawrence O.“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1998
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11by Anna, Lawrence O.“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1998
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12by Fridrich, Chris J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1998
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13by Seiler, R. L.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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14Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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15by Ambos, Dale S.“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1995
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16Published 1998“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
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17by Bisdorf, Robert J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 1998
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18by Thomas, James M.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1999
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19Published 1999“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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20by Covay, Kenneth J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1998
Government Document Microform Book