Collection search - Map of the County and Ridings, of York Canada West, By Act of Parliament, 12 Victoria Cap. 78. 1849. Drawn & Engraved from Official Surveys by John Ellis & Co. 8, King Street, Toronto. Including the Two New Counties, Divided & Set off, 15 Vicae. Cap. 5, 1851. Ontario & Peel. [cartographic material]

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