Williston Sectional Aeronautical Chart

1935

1:500k

No. IV, Reconnaissance Map. (Mouse River to Fort Buford).

1878

Twining, W.J.

1:507k

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

1878

Campbell, A.

1:127k

Joint Maps of the Northern Boundary of the United States From the Lake of the Woods to the Summit of the Rocky Mountains

1878

NORTH AMERICAN BOUNDARY COMMISSION

1:127k

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

1878

Campbell, A.

1:127k

Joint Maps of the Northern Boundary of the United States From the Lake of the Woods to the Summit of the Rocky Mountains

1878

NORTH AMERICAN BOUNDARY COMMISSION

1:127k

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

1878

Twining, W.J.

1:507k

Joint Maps of the Northern Boundary of the United States From the Lake of the Woods to the Summit of the Rocky Mountains

1878

NORTH AMERICAN BOUNDARY COMMISSION

1:127k

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

1878

Campbell, A.

1:127k

International Boundary, From the Gulf of Georgia to the Northwestern Point of the Lake to the Woods, Sheet No. 37

1921

International Boundary Commission

1:63k