Recherche dans la collection - Quebec Defences, Point Levis No 3 Fort. General Plan shewing glacis. E.F. Bourchier, Colonel R.E., 11/70 March. V.G. Clayton, Capt. R.E., 7th March 1870. G. Harris, Lieut, R.E., 5th March 1870. R.G. Hamilton, Col. Commadng Royal Engineers, Quebec, 27th Feby 1872. Copied E.O. Snelling, M.P. Works, 13th Feb. 1872. [architectural drawing]