No. III, Reconnaissance Map. (Big Muddy River to Fort Hawley).

1878

Twining, W.J.

1:507k

Joint Map No. XVIII. United States Northern Boundary Commission. (Canadian Border).

1878

Campbell, A.

1:127k

Montana east.

1874

Asher & Adams

1:1m

Glacier Park

1935

C&GS

1:500k

No. II, Reconnaissance Map. (Old Fort Browning to Sweet Grass Hills).

1878

Twining, W.J.

1:507k

Montana.

1875

Asher & Adams

1:1m

Williston Sectional Aeronautical Chart

1935

1:500k

Composite: (Lake of the Woods to the Rocky Mountain Divide).

1878

Twining, W.J.

1:507k

Profile. Reconnaissance Series. (Lake of the Woods to Rocky Mountain Divide).

1878

Twining, W.J.

Montana.

1897

Rand McNally and Company

1:2m