Recherche dans la collection - Plan of a hill near Point Levis surveyed in 1865 under the direction of Lieut. H.S. Sitwell, R.E. Drawn at the Survey Office, Montreal, H.S. Sitwell, Lt. R.E. 9th november 1865. Contouring completed Jan. 3d 1866. H.S.S. Lt. R.E. [cartographic material]