1947
Lindgren, Jolly
1936
Lindgren Brothers
1878
U.S. Geological and Geographical Survey of the Territories
1:253k
1878
Bechler, G.R. ; Clark, Fred A.
1:253k
1895
Fee, Charles H.
1:165k
1878
U.S. Geological and Geographical Survey of the Territories
1:253k
1879
U.S. Geological and Geographical Survey of the Territories
1:507k
1879
Hayden, Ferdinand Vandeveer
1:507k
1878
U.S. Geological and Geographical Survey of the Territories
1:507k
1991
Berann, Heinrich C.