Collection search - Sketch sheets of a winter Reconnaissance of the County E. of Toronto, between the Don R.; & the Township of Scarboro on the E. & the Don & Danford Rd. on then to the Lake Shore. Office Copy - original to Montreal, 20 Apl. 68. H.J.W. Gehle, Lt. R.E. 17/Apl. 68. [cartographic material]

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