Collection search - Plan of a tract of land situate in Montreal, Canada, vested in the Principal Officers of Her Majesty's Ordnance, exhibiting the extent of the different acquisitions as surveyed and defined during the months July, August and September last by the undersigned at the instance of the Head Quarter respective Officers and in conformity to the certificate of the commander of her Majesty's Forces dated 11th June 1845 and whereof duplicates are deposited in the Office of the Prinicipal Secretary and of the Commanding Royal Engineer Office Head Quarters, Montreal. [cartographic material]