Collection search - Quebec, contoured plan of ground round No. 2 tower on the Plains of Abraham. J. Simmons, Lt. Royl Engrs 29th Nov. 1842. P. Cole, Major, Dist, Royl Engr 29th Nov. 1842. R.I. Pilkington, Draftsman. Examined S. Wesmacott, Lt. and Actg Adjt R.E. J. Oldfield, Col., Staff, Commg Royal Engineer in Canada. 21 December 1842. [cartographic material]

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