Author
Geological Survey (U.S.),
3
Armstrong, Augustus K.
2
Gidley, James Williams, 1866-1931,
2
Anthony, John W. 1920-
1
Breed, William J.
1
Bryant, Donald L.
1
Gidley, James Williams, 1866-1931
1
Mamet, Bernard L.
1
Ransome, F. L. 1868-1935
1
Ransome, F. L. 1868-1935,
1
Roadifier, Jack E.
1
Wilson, Eldred Dewey, 1898-1965
1
Winters, Stephen S.
1
Wood, Paul A.
1
Wyckoff, Ralph W. G. 1897-1994
1