Author
Geological Survey (U.S.),
22
Adams, George I. 1870-1932,
2
Girty, George Herbert, 1869-1939,
2
Knowlton, Frank Hall, 1860-1926,
2
Smith, George Otis, 1871-1944,
2
Stanton, T. W. 1860-1953,
2
Ulrich, E. O. 1857-1944,
2
White, David, 1862-1935,
2
Williams, Henry Shaler, 1847-1918,
2
Arnold, Ralph, 1875-1961,
1
Bagg, Rufus M., 1869-
1
Bain, Harry Foster, 1872-1948,
1
Bassler, Ray S. 1878-1961,
1
Burchard, Ernest F. 1875-1961,
1
Cleland, Herdman Fitzgerald, 1869-1935,
1
Cragin, Francis Whittemore, 1858-1937,
1
Dale, T. Nelson 1845-1937,
1
Darton, Nelson Horatio, 1865-1948,
1
Girty, George Herbert, 1869-1939
1
Hatcher, J. B. 1861-1904,
1
Hyatt, Alpheus, 1838-1902,
1
Kindle, E. M. 1869-1940,
1
Purdue, A. H. 1861-1917,
1
Ransome, F. L. 1868-1935,
1
Shattuck, George Burbank, 1869-1934,
1
Smith, George Otis, 1871-1944
1
Smith, James Perrin, 1864-1931,
1
Smith, W. S. Tangier 1869-1962,
1
Taff, Joseph A. 1862-1944,
1
Vaughan, Thomas Wayland, 1870-1952,
1
Veatch, A. C. 1878-1938,
1
Weeks, Fred Boughton, 1864-1942,
1
Willis, Bailey, 1857-1949
1
Willis, Bailey, 1857-1949,
1