Cataloged map
Great Falls
1886
1:250k
Little Belt Mountains
1896
1:125k
Western territories. sheet no. 3
1876
Gillespie, George Lewis 18..-....; États-Unis. Corps of Engineers
1:2m
Map of Oregon, Washington and part of Idaho.
1860
[Die Vereinigten Staaten von Nord-Amerika, Blatt 1]
1876
Stieler, Adolf
[Die Vereinigten Staaten von Amerika in 6 Blättern, Blatt 1]
1892
Stieler, Adolf
Sectional map indicating main automobile roads between Canada and United States
1931
National Development Bureau
1:3m
A new Map of the State of California, the Territoties of Oregon & Utah
1860
Meyer, J.
Oregon.
1842
Wind and current chart of the North-Pacific
1849
Maury, Matthew Fontaine
1:4m