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1by Evans, James George, 1938-“...Geological Survey bulletin ;...”
Published 1980
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2by Evans, James George, 1938-“...Geological Survey bulletin ;...”
Published 1982
Government Document Book -
3by Evans, James George, 1938-“...Geological Survey bulletin ;...”
Published 1982
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4by Evans, James George, 1938-“...Geological Survey bulletin ;...”
Published 1980
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5by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 1986
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6by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 1987
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7Published 1988“...U.S. Geological Survey bulletin ;...”
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8by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 1988
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9by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 2001
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10
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11by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 1987
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12by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 2006
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13by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 2006
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14Published 1990“...U.S. Geological Survey bulletin ;...”
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15Published 1987“...U.S. Geological Survey bulletin ;...”
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16by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 1990
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17Published 1990“...U.S. Geological Survey bulletin ;...”
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18Published 1990“...U.S. Geological Survey bulletin ;...”
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19Published 1990“...U.S. Geological Survey bulletin ;...”
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20