1925
Great Northern Railway
1914
Washington : U.S.Geological Survey
1914
Marshall, R. B.; Tatum, Sledge; Baldwin, H. L. (jr.); United States Geological Survey
1:125k
1938
Lindgren, Jolly
1900
Ayers, H.B.
1:911k
1889
Rand McNally and Company
1:2m
1875
Asher & Adams
1:1m
1909
Rand McNally and Company
1:2m
1897
Rand McNally and Company
1:2m
1880
Mitchell, Samuel Augustus
1:2m