1877
Gannett, Henry
1:253k
1877
U.S. Geological and Geographical Survey of the Territories
1:253k
1877
U.S. Geological and Geographical Survey of the Territories
1:253k
1846
Preuss, Charles
1:634k
1846
Preuss, Charles
1:634k
1879
U.S. Geological and Geographical Survey of the Territories
1:507k
1938
Lindgren Brothers
1878
U.S. Geological and Geographical Survey of the Territories
1:507k
1858
Campbell, Albert
1:6m
1885
Holt, George L.
1:760k