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

1878

Twining, W.J.

1:507k

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

1878

Campbell, A.

1:127k

Glacier Park

1935

C&GS

1:500k

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

1878

Campbell, A.

1:127k

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

1876

Ludlow, William

1:380k

Montana east.

1874

Asher & Adams

1:1m

Montana.

1875

Asher & Adams

1:1m

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