Recherche dans la collection - Sketch of the position of Amherstburg Fort in Upper Canada. The Sketch of the ground taken from papers sent from the Comg Rl Engrs Office at Quebec, 20th Novr. 1827. E.W. Durnford. Col. Comg. Rl. Engineers, Canada. J.R. Wright. Lt. Col. Rl. Engineers R.H. Bonnycastle Capt. Royal Engineers. No. BB65. [cartographic material]

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