Recherche dans la collection - Town of Hawkesbury street layout. Ghislain E. Seguin & Associates Ltd., Consulting Engineers, Hawkesbury, Ontario. Drawn by; R.C. Traced by: R.C. Checked by: A.E.D. Date: January 1970. General [revisions] Jan. '70 [and] Feb. '70 [by] R.C. Hawkesbury Realties Subdivision layout revised Feb. '72 [by] A.D. Dwg. No. R 132. [cartographic material]