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1Published 1989“...U.S. Geological Survey bulletin ;...”
Government Document Book -
2Published 1990“...U.S. Geological Survey bulletin ;...”
Government Document Book -
3by Folger, Peter F.“...U.S. Geological Survey bulletin ;...”
Published 1992
Government Document Book -
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5by Goldfarb, R. J.“...U.S. Geological Survey bulletin ;...”
Published 1995
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6
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7by Goldfarb, R. J.“...U.S. Geological Survey bulletin ;...”
Published 1989
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9
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10
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11Published 1988“...U.S. Geological Survey bulletin ;...”
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12by Goldfarb, R. J.“...U.S. Geological Survey bulletin ;...”
Published 1988
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