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
1942
Fulmor, A. C.; Davidson, J. F.
1:63k
1948
Lindgren Brothers
1906
E.M. Douglas; R.B. Marshall; W. Carvel Hall
1:500k
1908
E.M. Douglas
1:500k
1935
Southern California Edison Company Ltd.
1858
Campbell, Albert
1:6m
1938
Thomas Brothers
1:1m
1952
Roads To Romance Assn, Inc.