Hansboro

1969

1:24k

International Boundary, From the Gulf of Georgia to the Northwestern Point of the Lake to the Woods, Sheet No. 49

1922

International Boundary Commission

1:63k

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. VII. United States Northern Boundary Commission. (Canadian Border).

1878

Campbell, A.

1:127k

Hansboro NE

1969

1:24k

Rock Lake

1985

1:100k

Rock Lake

1985

1:100k

Devils Lake

1956

1:250k

Devils Lake

1953

1:250k

Devils Lake

1953

1:250k