Recherche dans la collection - Town of Hawkesbury - streets layout. Dwg. No. R-132. Ghislain E. Seguin & Associates Ltd., Consulting Engineers...Hawkesbury. Drawn: A.D. & R.C. Checked: G.E.S. February 1968. [Revised March 27, May 10, June 14, June 29 1968.] [cartographic material]