No. I, Reconnaissance Map. (Fort Shaw to Rocky Mountain Divide).
United States Northern Boundary Commission. No. I, Reconnaissance Map. Archibald Campbell Esq., Commissioner. Reconnaissance Maps (Six Sheets and Profile) ... 49th Parallel from the Lake of the Woods to the Rocky Mountains. (Fort Shaw to Rocky Mountain Divide).
David RumseyTwining, W.J.
1878
1878
Government Printing Office
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