1939
University of California Agricultural Extension Service.; United States. Department of Agriculture.; United States. Bureau of Agricultural Economics.
1:312k
1933
Riverside County (Calif.). County Surveyor's Office.; Riverside County Chamber of Commerce (Riverside County, Calif.); Fulmor, A. C.
1:250k
1898
Goode, Richard Urquhart, 1858-1903. / Sylvester, A. H. / Perkins, E. T. / Gannett, Henry, 1846-1914. / Leiberg, John B. (John Bernhard), 1853-1913. / Julius Bien & Co.
1:125k
1942
Fulmor, A. C.; Davidson, J. F.
1:63k
1948
Lindgren Brothers
1908
E.M. Douglas
1:500k
1917
McGlashan, H. D. (Harry Deyoe)
1:250k
1920
Geologic Survey (U.S.)
1:1m
1906
E.M. Douglas; R.B. Marshall; W. Carvel Hall
1:500k
1935
Southern California Edison Company Ltd.