1882
Dutton, Clarence E. (Clarence Edward), 1841-1912
1:250k
1924
Birdseye, C.H.; Burchard, R.W. ; U.S. Geological Survey
1:32k
1940
Lindgren, Jolly
1879
Geographical and Geological Survey of the Rocky Mountain Region (U.S.)
1:634k
1878
Cram, George Franklin
1863
Weekly Dispatch; Weller, Edward, 1819-1884
1:100k
1866
U.S. General Land Office
1:1m
1966
O'Brien, Emmett J
1:63k
1897
Rand McNally and Company
1:1m
1879
U.S. General Land Office
1:950k