Observatory tent, N A [ie, North American] Boundary Commission, 1861. Showing Captain Charles J. Darrah, , seated in tent, and Captain Robert W. Haig, of the British North American Boundary Commission posed at an astronomical observation tent with theodolite, during the marking of the boundary line between Canada and the United States. In: Photographs of British Northwest Boundary Survey, 1858-1861.

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Size: 6310px × 5079px
Photo credit: © Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

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