1951
USGS (U.S. Geological Survey)
1:125k
1934
Logan, C. A. (Clarence August), 1887-
1:63k
1874
California Geological Survey
1:190k
1868
Hoffmann, Chs. F.
1:127k
1869
Geological Survey of California
1:127k
1879
Wheeler, G.M.
1:253k
1886
California State Engineering Department
1:190k
1923
USGS (U.S. Geological Survey)
1:125k
1896
Blum, George W.
1:444k
1914
USGS (U.S. Geological Survey)
1:125k