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1
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2by Clement, Ralph W.“...U.S. Geological Survey,...”
Published 1983
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3by Clement, Ralph W.“...U.S. Geological Survey,...”
Published 1987
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4
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5by Clement, Ralph W.“...U.S. Geological Survey,...”
Published 1982
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6by Rasmussen, Patrick P.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2000
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7by Rasmussen, Teresa J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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8by Juracek, Kyle E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2001
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9by Perry, Charles A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2004
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10by Perry, Charles A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2004
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11by Juracek, Kyle E.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2001
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12by Huizinga, Richard J.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 2013
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13by Clement, Ralph W.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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14by Clement, Ralph W.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1987
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15by Medina, K. D.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1987
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