Author
Becker, George F. 1847-1919
1
Chamberlin, Thomas C. 1843-1928
1
Cross, Whitman, 1854-1949
1
Geological Survey (U.S.),
1
Hague, A. 1840-1917
1
Hillebrand, W. F. 1853-1925
1
Iddings, Joseph Paxson, 1857-1920
1
Irving, Roland Duer, 1847-1888
1
White, Charles A. 1826-1910
1
White, Charles A. 1826-1910,
1
Willis, Bailey, 1857-1949
1