Collection search - Map of His Majesty's Seigneure of Sorel situated in the County of Richlieu, Province of Lower Canada, purchased in 1781 for military purposes by Sir Frederick Haldimand...Surveyed in the year 1795 by order of the Right Honorable Lord Dorchester Com.der in Chief of His Majesty's Forces in North America. By (signed) S. Z. Watson, Dy. Pl. Surveyor. [cartographic material]