
1879
Hayden, Ferdinand Vandeveer
1:507k

1877
Chittenden, G.B.
1:253k
1874
Jones, William Albert 1841-1914; États-Unis. Corps of Engineers
1:600k
1874
Jones, William Albert 1841-1914
1:1m

1881
Heubach, Emil
1:750k

1878
Bechler, G.R. ; Clark, Fred A.
1:253k

1877
Gannett, Henry
1:253k

1871
Geological Survey of the Territories (U.S.)
1:634k
1876
Gillespie, George Lewis 18..-....; États-Unis. Corps of Engineers
1:2m

1860