Recherche dans la collection - Fortification Surveys. Contoured plan of the environs of Quebec, Canada East surveyed in 1865-6 under the direction of Lieut. H.S. Sitwell, R.E., and under the superintendence of Lieut. Col. Wm F. Drummond Jervois, R.E., C.B., Deputy Director of Works (Fortifications). Zincographed at the Ordnance Survey Office, Southampton, under the direction of Captn Parsons, R.E., F.R.A.S. Colonel Sir Henry James, R.E., F.R.S. &cDirector. 1867. [cartographic material]