Recherche dans la collection - VAUDREUIL. Sketch shewing within the circular line the extent of country for which a "Clearance Act" would be required. To accompany the Commandg Royal Engineer's letter to the Military Secretary dated 25th Feby 1865. Charles E. Ford, Col., C.R.E. Compiled from a series of lithographed plans in the Commdg Royal Engineer Office. Montreal. February 1865. Charles Walkem, Surveyor & Draftsman. [cartographic material]