Recherche dans la collection - Plan of property situate in the town of St. John's, barony of Longueuil, Canada East, vested in the prinicpal officers of Her Majesty's Ordnance, showing the barracks, exercising grounds and lands reserved for military purposes. Montreal, 22d December 1858. Made by H.M. Perrault, Provl Land Surveyor. Charles Walkem, S. & Draftsman. Traced by J.S.J. 21st May 1915. [cartographic material]