- INS-782
- Pièce
- ca. 1878
Fait partie de Institute for Northern Studies fonds
"La Roche Percee - Mouse River - Plate facing page 94 in - 'Reports Upon the Survey of the Boundary Between the Territory of the United States and the Possessions of Great Britain from the Lake of the Woods to the Summit of the Rocky Mountains' Dept of State, Washington, Gov't Printing Office, 1878."