- Contact the CGS Administrator Sarah Watson at cgs@cgs.ca Contact the CGS Director General Jim Graham at cgs@cc.umanitoba.ca The Canadian Geotechnical Society P.O. Box 937, Alliston, Ontario L9R 1W1 Tel 705-434-0916 or 1-800-710-9867, Fax 705-434-0917 ...www.cgs.ca