Author
Geological Survey (U.S.),
5
Hudson, Travis, 1946-
3
Dale, T. Nelson 1845-1937
2
Ross, Donald C. 1924-
2
Bastin, Edson S. 1878-1953
1
Bastin, Edson S. 1878-1953,
1
California. Division of Mines and Geology
1
Dale, T. Nelson 1845-1937,
1
Eldridge, George Homans, 1854-1905
1
Emerson, Benjamin Kendall, 1843-1932
1
Gannett, Samuel S. 1861-1939
1
Geological Survey (U.S.)
1
Grant, U. S. 1867-1932
1
Knopf, Adolph, 1882-1966
1
Kwok, Kweepin
1
Moffit, Fred H. 1874-1958?
1
Nickles, John M. 1859-1945
1
Phalen, W. C. 1877-1949
1
Sederholm, J. J. 1863-1934
1
Smith, George Otis, 1871-1944
1
Smith, George Otis, 1871-1944,
1
State Survey Commission of the State of Maine
1
State Survey Commission of the State of Maine,
1
Sullivan, Eugene C. 1872-
1