Collection search - Plan of the Seigneurie of Sorel copied from one drawn by a sworn surveyor which is in the agent's possession, shewing in crimson the land to be reserved for defences and in yellow from the Comg Rol Engineer in the Canadas to the Inspector General of Fortifications dated 6th Augt 1840. H.A. Whites, Lt Rl Engineers. [cartographic material]

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