English
Headquarters: Toronto ON and Calgary AB; Former names: Morrison Mines Limited; New Morrison Mines Limited;; New names: Morrison Petroleums Ltd; Northstar Energy Corporation;; 1952 - name changed from Morrison Mines Limited to New Morrison Mines Limited; 1955 - name changed from New Morrison Mines Limited to Consolidated Morrison Explorations, Limited; Oct. 22, 1980 - name changed to Morrison Petroleums Ltd.; Apr. 2, 1997 - amalgamated with Northstar Acquisition Corporation, a wholly owned subsidiary of Northstar Energy Corporation to form a new Northstar Energy Corporation; Aug. 27, 2004 - exchangeable shares for Northstar Energy Corporation redeemed in full by parent Deveon Energy Corporation;
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