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1by Mansfield, Wendell C. (Wendell Clay), 1874-1939“...[United States Department of the Interior, United States Geological Survey],...”
Published 1937
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2by Campbell, Marius R. (Marius Robinson), 1858-1940“...Department of the Interior, United States Geological Survey,...”
Published 1893
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3by Fontaine, William Morris, 1835-1913“...Department of the Interior, United States Geological Survey,...”
Published 1896
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4by Marshall, R. B. (Robert Bradford), 1867-1949“...Department of the Interior, United States Geological Survey,...”
Published 1914
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5by Gannett, Henry, 1846-1914“...Department of the Interior, United States Geological Survey,...”
Published 1904
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6by Stone, Ralph W. (Ralph Walter), 1876-1964“...Department of the Interior, United States Geological Survey,...”
Published 1908
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7by Marshall, R. B. (Robert Bradford), 1867-1949“...Department of the Interior, United States Geological Survey,...”
Published 1910
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8by Darton, Nelson Horatio, 1865-1948“...Department of the Interior, United States Geological Survey,...”
Published 1911
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9by Espenshade, Gilbert H., 1912-1993“...United States Department of the Interior, Geological Survey,...”
Published 1954
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10“...United States Department of the Interior, Geological Survey,...”
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11by Trent, Virgil A.“...United States Department of the Interior, Geological Survey,...”
Published 1982
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12by Espenshade, Gilbert H., 1912-1993“...United States Department of the Interior, Geological Survey,...”
Published 1986
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13by Espenshade, Gilbert H., 1912-1993“...United States Department of the Interior, Geological Survey,...”
Published 1947
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14by Monroe, Watson Hiner, 1907-1992“...United States Department of the Interior, Geological Survey,...”
Published 1942
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15“...United States Department of the Interior, Geological Survey,...”
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16by King, Philip B., 1903-1987“...United States Department of the Interior, Geological Survey,...”
Published 1943
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17by Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984“...United States Department of the Interior, Geological Survey,...”
Published 1943
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18by Ladd, Harry S. (Harry Stephen), 1899-1982“...United States Department of the Interior, Geological Survey,...”
Published 1944
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19by Ladd, Harry S. (Harry Stephen), 1899-1982, Stead, Frank W. (Frank Walter), 1912-1981“...United States Department of the Interior, Geological Survey,...”
Published 1944
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20“...United States Department of the Interior, Geological Survey,...”
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