Vaughn

1983

1:24k

Vaughn

1983

1:24k

Vaughn

1952

1:63k

Vaughn

1949

1:63k

Great Falls North

1976

1:100k

Great Falls

1886

1:250k

Great Falls

1886

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