Results: 1 - 2 of 2
Apr 03, 2017
Presentation
… … As the upstream oil and gas sector continues to develop shale-gas plays in the Duvernay and …
Dec 31, 1973
Earth Sciences Report
… … Oil and gas exploration and development in … gravel, coarse sand, till, clay, shale, fine sand, silt and … erosion; 8)avoiding terracing of shale and mudstone slopes which …