Author
Geological Survey (U.S.)
2
Anderson, Alfred L. 1900-1964
1
Bain, Harry Foster, 1872-1948
1
Bastin, Edson S. 1878-1953
1
Burrows, John S. 1911-
1
Cole, John W., 1934-
1
Cragin, Francis Whittemore, 1858-1937
1
D'Arcy, Richard L.
1
Fenneman, Nevin Melancthon, 1865-1945
1
Fuller, Myron L.
1
Girty, George Herbert, 1869-1939
1
Lausen, Carl
1
Loughlin, G. F. 1880-1946
1
McCallum, M. E. 1934-
1
Moffit, Fred H. 1874-1958?
1
Orback, Clarce J.
1
Pintz, William S.
1
Prindle, L. M. 1865-1956
1
Purington, Chester Wells, 1871-
1
Randall, Dwight T.
1
Soulé, J. H.
1
United States. Bureau of Soils
1
White, David
1
Wilson, Eldred Dewey, 1898-1965
1