Author
Geological Survey (U.S.),
3
Darton, Nelson Horatio, 1865-1948
2
Humphrey, Richard Lewis, 1869-1928
2
Mills, James E., 1945-
2
Ashley, Harrison Everett, 1876-1910
1
Belden, A. W., 1876-1920
1
Brooks, Alfred H. 1871-1924
1
Burrows, John S. 1911-
1
Calkins, Frank C., 1878-1974
1
Calvert, William R.
1
Capps, Stephen R. 1881-1949
1
Chamberlin, Rollin T. 1881-1948
1
Gannett, Samuel S. 1861-1939
1
Gilpin, J. Elliott, 1866-1924
1
Goss, W. F. M. 1859-1928
1
Goss, W. F. M. 1859-1928,
1
Griswold, W. T., 1859-1931
1
Lee, Willis T. 1864-1926
1
Osborn, Henry Fairfield, 1857-1935
1
Randall, Dwight T.
1
Randall, Dwight T.,
1
Ray, Walter T.
1
Richardson, G. B. 1872-1949
1
Watteyne, Victor
1
White, David, 1862-1935
1
Wright, Charles L.
1
Wright, F. E. 1877-1953
1