1906
U.S. Geological Survey
1:250k
1872
Wheeler, G.M.
1:507k
1873
Wheeler, G.M.
1:507k
1876
Wheeler, G.M.
1:507k
1866
Holdredge, Sterling M.
1:3m
1978
Carlson, John E.
1:500k
1875
Cram Atlas Company
1:1m
1866
U.S. General Land Office
1:1m
1878
Cram, George Franklin
1907
Rand McNally and Company
1:2m