Dufferin Harper Partner Profile Expertise Climate Change, Environmental, Waste and Remediation Bio www.blakes.com/People/find-a-person/H/Duff-Harper Email dufferin.harper@blakes.com Firm Blake, Cassels & Graydon LLP Telephone +1 416 863 2552 Address 855-2nd Street S.W., Suite 3500, Bankers Hall East Tower, Calgary, Canada