Lewistown

1959

1:250k

Lewistown

1954

1:250k

Lewistown

1954

1:250k

Judith Basin : drawn under the direction of Capt. W. Ludlow Corps of Engineers

1876

Ludlow, William

1:380k

Lewistown

1978

1:100k

Judith Basin County Montana

1941

Montana. State Highway Commission.

1:127k

Winnett

1986

1:100k

Petroleum County Montana

1941

Montana. State Highway Commission.

1:127k

Big Snowy Mountains

1993

1:100k

Lewistown

1944

1:63k