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Shattuck, George Burbank, b. 1869. (Geological Survey (United States), 1907)

Hague, Arnold, 1840-1917. (Geological Survey (United States), 1896)

Ransome, F. L. (Frederick Leslie), 1868-1935.; Cross, Whitman, 1854-1949.; Howe, Ernest, 1875-1932. (Geological Survey (United States), 1905)

Emmons, Samuel Franklin, 1841-1911. (Geological Survey (United States), 1898)

Cross, Whitman, 1854-1949. (Geological Survey (United States), 1905)

Cross, Whitman, 1854-1949.; Hole, Allen David, 1866-1940. (Geological Survey (United States), 1910)

Gilbert, Grove Karl, 1843-1918. (Geological Survey (United States), 1897)

Weed, Walter Harvey, 1862-1944. (Geological Survey (United States), 1899)

Weed, Walter Harvey, 1862-1944. (Geological Survey (United States), 1899)

Hague, Arnold, 1840-1917. (Geological Survey (United States), 1899)