Belt

1982

1:24k

Belt

1956

1:63k

Belt

1984

1:100k

Fort Benton

1897

1:250k

Fort Benton

1897

1:250k

Fort Benton

1897

1:250k

Great Falls

1954

1:250k

Great Falls

1954

1:250k

Western territories. sheet no. 3

1876

Gillespie, George Lewis 18..-....; États-Unis. Corps of Engineers

1:2m

[Die Vereinigten Staaten von Nord-Amerika, Blatt 1]

1876

Stieler, Adolf