1939
University of California Agricultural Extension Service.; United States. Department of Agriculture.; United States. Bureau of Agricultural Economics.
1:312k
1876
Ward, J.W.
1:665k
1942
Fulmor, A. C.; Davidson, J. F.
1:63k
1858
Campbell, Albert
1:6m
1938
Thomas Brothers
1:1m
1952
Roads To Romance Assn, Inc.
1930
Burke, Howard.
1893
Wood Brothers
1:3m
1924
[Tucson] : Arizona Bureau of mines
1934
Leahy, J.F.