1937
Averill, Charles V. (Charles Volney), 1892-
1:250k
1882
Wheeler, G.M.
1:253k
1891
Taylor, L. H. (Leon Henry), b. 1863
1:70k
1907
Washington, D.C. : U.S. Dept. of the Interior, Geological Survey
1:66k
1940
Thompson, A. H. (Almon Harris), 1839-1906./Douglas, E. M. (Edward Morehouse), 1855-1932./Dunnington, A. F./Keddie, Arthur W. (Arthur Walter), 1842-1924.
1899
U. S. Geological Survey
1880
1866
Holdredge, Sterling M.
1:2m
1900
1:32k
1884
California: Office of State Engineer
