Archibald Campbell (1813–1887) was an American surveyor, diplomat, and commissioner best known for his leadership in defining the northwestern boundary between the United States and British North America. Born in New York, Campbell began his career as a civil engineer and surveyor in the U.S. Coast Survey before entering the State Department’s boundary service.
Campbell served as United States Commissioner on the Northwest Boundary Commission (1857–1862), which resolved the territorial limits established by the Treaty of 1846 between the United States and Great Britain. His work, interrupted by the San Juan Islands dispute and later resumed as U.S. Commissioner on the Northern Boundary Commission (1872–1876), culminated in the final demarcation of the 49th parallel from the Lake of the Woods to the Rocky Mountains.
Campbell’s tenure was marked by diplomatic finesse as well as technical precision—balancing the interests of two empires through rigorous geodetic and astronomical surveying. His contributions stand as a cornerstone in the scientific mapping of the U.S.–Canadian frontier.
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Quick View - Atlases & Books, Canada and The Great Lakes, North America, United States
Reports upon the Survey of the Boundary between the Territory of the United States and the Possessions of Great Britain. Washington: Government Printing Office, 1878.
- $500
- 1878 U.S. report on the survey that fixed the U.S.–Canadian border along the 49th parallel.
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Quick View - Atlases & Books, Canada and The Great Lakes, North America, United States
Joint maps of the northern boundary of the United States: from the Lake of the Woods to the summit of the Rocky Mountains.
- $500
- Defining the U.S.–Canadian border along the 49th parallel from the Lake of the Woods to the Rockies.
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