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1by Chase, Edith B.“...U.S. Geological Survey circular ;...”
Published 1983
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4by Rickert, David A., 1940-“...Geological Survey circular ;...”
Published 1977
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5by Rickert, David A., 1940-“...Geological Survey circular ;...”
Published 1977
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8by Schneider, William Joseph, 1921-, Rickert, David A., 1940-, Spieker, Andrew Maute, 1932-“...Geological Survey circular ;...”
Published 1973
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10by Schneider, William Joseph, 1921-, Rickert, David A., 1940-, Spieker, Andrew Maute, 1932-“...Geological Survey circular ;...”
Published 1973
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11“...Geological Survey circular ;...”
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12“...Geological Survey circular ;...”
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14“...Geological Survey circular ;...”
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15“...Geological Survey circular ;...”
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17Published 1980“...Geological Survey circular ;...”
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18by Rickert, David A., 1940-“...Geological Survey circular ;...”
Published 1980
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19