Lavina

1979

1:24k

Roundup

1979

1:100k

Roundup

1958

1:250k

Roundup

1958

1:250k

Roundup

1954

1:250k

Roundup

1954

1:250k

Yellowstone National Park, Big Horn Mountains and adjacent territory

1881

Heubach, Emil

1:750k

Montana east.

1874

Asher & Adams

1:1m

Montana.

1875

Asher & Adams

1:1m

Montana.

1897

Rand McNally and Company

1:2m