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1878 Map of the Vicinity of the North West Po … Exploration Book United States Northern Boundary Commissi … |
1878 Sketch Showing Triangulation of Chief Mo … Exploration Book Sketch Showing Triangulation of Chief Mo … |
1878 U.S. Coast Survey Chart 1875. Declinatio … Exploration Book General Authority U.S. Coast Survey Char … |
1878 Profile. Reconnaissance Series. (Lake of … Exploration Book Profile. Reconnaissance Series. (Lake of … |
1878 No. I, Reconnaissance Map. (Fort Shaw to … Exploration Book United States Northern Boundary Commissi … |
1878 No. II, Reconnaissance Map. (Old Fort Br … Exploration Book United States Northern Boundary Commissi … |
1878 No. III, Reconnaissance Map. (Big Muddy … Exploration Book United States Northern Boundary Commissi … |
1878 No. IV, Reconnaissance Map. (Mouse River … Exploration Book United States Northern Boundary Commissi … |
1878 No. V, Reconnaissance Map. (Pembina Moun … Exploration Book United States Northern Boundary Commissi … |
1878 No. VI, Reconnaissance Map. (Lake of the … Exploration Book United States Northern Boundary Commissi … |