1. Reconnaissance maps : six sheets and a profile showing the general features of the topography adjacent to the 49th parallel from the Lake of the Woods to the Rocky Mountains Maps University Of Minnesota Public content 1876. North American Boundary Commission. Scale varies on profile.; "Archibald Campbell, Esq., Commissioner ... Compiled from reconnaissances by the various parties under command of Capt. W... The Commission (Washington, D.C).