Collection search - Plan of that part of the property belonging to the late Order of ...situated in St Rock suburbs. Commanding Royal Engineer's Office Quebec April 6th 1820. Witness to this being a true copy. T.G.W. Eaststaff. Certified J. Jobb Royl Engr Commg. The Ruisseau, long stone and slaughter House added. Wm. Sax P. Land Surveyor. [cartographic material]