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Lindgren, Waldemar, 1860-1939. (Geological Survey (United States), 1905)

Jaggar, Jaggar, Thomas Augustus, 1871-1953.; Palache, Charles, b. 1869. (Geological Survey (United States), 1905)

Cross, Whitman, 1854-1949. (Geological Survey (United States), 1899)

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

Stose, George Willis, 1869-1960. (Geological Survey (United States), 1912)

Stose, George Willis, 1869-1960. (Geological Survey (United States), 1909)

Hills, R. C. (Richard Charles), 1848-1923. (Geological Survey (United States), 1899)

Darton, Nelson Horatio, 1865-1948.; Salisbury, Rollin D., 1858-1922. (Geological Survey (United States), 1906)

Fuller, Myron L. (Geological Survey (United States), 1904)

Darton, Nelson Horatio, 1865-1948.; O'Harra, Cleophas C. (Cleophas Cisney), 1866-1935. (Geological Survey (United States), 1905)