Collection search - Plan shewing that part of the cliff up which it is proposed to cut a new horse road, and the adjacent parts in front of St John's and barrack bastions. Surveyed by J. Adams, R.M.S.D. 15th April 1817. Royal Engineer's Tracg Room, Quebec 19th April 1817. J.B. DuBerger Junr. [cartographic material]

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