From Quebec, the capital of Canada, to the frontier settlements of the Township of Topsham near Brunswick Fort on the River Ammerascaegun in the Province of New Hampshire, Feby. 20th 1760 / John Montresor, sub. engr. & lieut. Montresor, John, 1736-1799. CREATED/PUBLISHED [1760?] NOTES Scale 1:506,880, miles 8 to an in. Manuscript, pen-and-ink and watercolor. Oriented with north to the right.