1934
Logan, C. A. (Clarence August), 1887-
1:63k
1869
Geological Survey of California
1:127k
1874
California Geological Survey
1:190k
1868
Hoffmann, Chs. F.
1:127k
1914
USGS (U.S. Geological Survey)
1:125k
1900
Sudworth, George B.
1:125k
1914
Smith, F. E. (Frank Enos)
1:190k
1891
Thompson, Thos. H.
1:127k
1902
U. S. Geological Survey
1:125k
1947
USGS (U.S. Geological Survey)
1:125k