1903
Rand McNally and Company
1:1m
1879
U.S. General Land Office
1:950k
1893
Wood Brothers
1:3m
1891
Amerine, C.H.
1:507k
1938
Thomas Brothers
1:1m
1874
Asher & Adams
1:1m
1931
Johst, Paul Spener
1948
Teegarden, Clark
1:661k
1880
Mitchell, Samuel Augustus
1:2m
1925
Rand McNally and Company
1:1m