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1
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2by Fernandez, Mario“...U.S. Geological Survey,...”
Published 1983
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3
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4by Schoellhamer, David H.“...U.S. Geological Survey,...”
Published 1991
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5by Schoellhamer, David H.“...U.S. Geological Survey,...”
Published 1993
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6
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7by Barr, G. L.“...U.S. Geological Survey,...”
Published 1993
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8
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9by Lee, T. M. (Terrie Mackin)“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2006
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10by Haag, Kim H.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2006
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11by Tihansky, A. B. (Ann B.)“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2005
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12by Haag, Kim H.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2005
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13by Trommer, J. T.“...U.S. Department of the Interior, U.S. Geological Survey,...”
Published 1992
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14“...U.S. Department of the Interior, U.S. Geological Survey,...”
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Government Document eBook