Index Map of International Boundary, 1930
Item 11833 info
Maine Historical Society
The United States and Canada formed a permanent international commission in 1925 to maintain their mutual boundary.
Each year crews survey and install boundary markers, can clear the 20-foot wide vista along the 5,525-mile boundary from the Atlantic to the Pacific.
This map serves as an index for the 16 different maps that officially document the border from the Atlantic to the source of the St. Croix.
Item 44 of 46
