Title: Maintenance of the boundary between Canada and the United States under the provisions of Article IV of the Treaty of 1925. Revised data from the source of St. Croix River to the mouth of St. Francis River: together with an account of maintenance operations on this section from 1927 to 1952, inclusive.
Authors: International Boundary Commission.
Year: 1955
Subjects: Maine Boundaries New Brunswick.; New Brunswick Boundaries Maine.