Recherche dans la collection - CAUGHNAWAGA. 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 23rd Feby 1865. Charles E. Ford, Col. C. R.E. Compiled from a series of lithographed plans in the Commandg Royal Engineer's Office, Montreal, Feby 1865. Chas. Walkem, Surveyor & Draftsman. [cartographic material]