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2
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3by Quinlivan, W. D. (William David), 1929-“...U.S. Geological Survey,...”
Published 1974
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4Published 1968“...U.S. Geological Survey,...”
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5by Fernald, Arthur T. (Arthur Thomas), 1917-“...U.S. Geological Survey,...”
Published 1968
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6
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7by Ekren, E. B. (Eimar Bartlett), 1923-“...U.S. Geological Survey,...”
Published 1972
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8
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9by Carr, Wilfred James, 1926-“...U.S. Geological Survey,...”
Published 1966
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10by Colton, Roger B. (Roger Burnham), 1924-“...U.S. Geological Survey,...”
Published 1967
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11by Byers, F. M. (Frank M.), 1916-“...U.S. Geological Survey,...”
Published 1966
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12
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13
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14Published 1965“...U.S. Geological Survey,...”
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15Published 1969“...U.S. Geological Survey,...”
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16