1883
Cram, George Franklin
1:2m
1878
Powell, John Wesley, 1834-1902.
1:630k
1879
Rand McNally and Company
1891
Appleton, D. & Co.
1901
Murray-Aaron, Eugene, 1852-1941.
1:1m
1886
TISSANDIER, Albert.
1889
1903
1861
Gunnison, J.W.
1:760k
Geographical and Geological Survey of the Rocky Mountain Region (U.S.)
1:634k
