Collection search - Plan of the Citadel of Quebec proposed by Lieut. Durnford, Commg Royal Engineer and now under execution shewing the respective levels of comparison as surveyed and drawn by Lieut, Skene, R.E. September 24th 1823. Commg Rl Engr Office, Quebec, 24th Sepr 1823. E.W. Durnford, Lt. Col., Commg Rl Engr, Canada. [cartographic material]

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