York Harbour 1815 Plan By Actual Survey Of The Street Of
Communication between Kempenfeldt Bay on Lake Simcoe and Penetanguishene
Harbour on Lake Huron, and one concession on each side, made at the
particular request of Angus Shaw, agent to the North-West Company. Yonge
Street, Aug. 15, 1822. Samuel J. Wilmot, Surveyor. MS.