1914
Rock, Geo H.
1:125k
1942
Chas. F. Metsker
1:127k
1925
US Geological Survey
1:625k
1906
E.M. Douglas; R.B. Marshall; W. Carvel Hall
1:500k
1905
U. S. Geological Survey
1:125k
1908
E.M. Douglas
1:500k
1948
Lindgren Brothers
1906
Douglas, Edward Morehouse
1:500k
2017
1939
University of California Agricultural Extension Service.; United States. Department of Agriculture.; United States. Bureau of Agricultural Economics.
1:312k