Recherche dans la collection - Map No. 1. Survey of a portion of the Galoppe Rapids, River St. Lawrence. [pencil note] Surveys of the principal Rapids of the St. Lawrence between Prescott & Lake St. Louis made under the instructions of the Comrs. Messrs Maillefert & Raasloff 1854. Division 1 comprising the Galops Rapids. Dept. of Public Works Toronto. [cartographic material]

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