1901
U. S. Geological Survey
1:125k
1878
Wheeler, G.M.
1:253k
1881
Hayden, F.V.
1:253k
1878
Wheeler, G.M.
1:253k
1877
Wheeler, G.M.
1:19k
1876
Wheeler, G.M.
1:253k
1875
Bergland, Eric
1:1m
1879
Wheeler, G.M.
1:253k
1881
Hayden, F.V.
1:253k
1875
Asher & Adams
1:1m