1938
Lindgren, Jolly
1914
Marshall, R. B.; Tatum, Sledge; Baldwin, H. L. (jr.); United States Geological Survey
1:125k
1925
Great Northern Railway
1875
Cram Atlas Company
1:1m
1909
Rand McNally and Company
1:2m
1897
Rand McNally and Company
1:2m
1889
Rand McNally and Company
1:2m
1875
Asher & Adams
1:1m
1901
Murray-Aaron, Eugene, 1852-1941.
1:2m
1880
Mitchell, Samuel Augustus
1:2m