1876
Ward, J.W.
1:665k
1939
University of California Agricultural Extension Service.; United States. Department of Agriculture.; United States. Bureau of Agricultural Economics.
1:312k
1929
Riverside County (Calif.). County Surveyor's Office.; Fulmor, A. C.; Riverside County Chamber of Commerce (Riverside County, Calif.)
1:250k
1934
Riverside County (Calif.). County Surveyor's Office.; Riverside County Chamber of Commerce (Riverside County, Calif.); Fulmor, A. C.
1:250k
1945
Tucker, W. B.; Sampson, R. J.
1:300k
1858
Campbell, Albert
1:6m
1893
Wood Brothers
1:3m
1924
[Tucson] : Arizona Bureau of mines
1934
Leahy, J.F.
1950
Bloodgood, Don