1935
California Division of Highways
1:137k
1863
Geological Survey of California.; Hoffmann, C. F. (Charles Frederick), 1838-1913.
1:63k
1913
Merriam, John C.
1:63k
1935
Thomas Bros.
1:36k
1938
Thomas Brothers
1:41k
1888
Henkenius, J.C.
1:12k
1935
California Division of Highways
1:34k
1872
Allardt, G. F.
1:16k
1938
Thomas Brothers
1:30k
1913
Lawson, Andrew C.
1:63k