Bloy, Graeme R. Principles and concepts for the exploration of reefs in the Western Canada basin : short course notes / Graeme R. Bloy & Marc Charest. - Calgary, Alta : Canadian Society of Petroleum Geologists, 1988. - various pagings ; 27 cm. Subjects--Topical Terms: Facies (Geology)--Canada.Geology, Stratigraphic--Devonian.Stratigraphic traps (Petroleum geology)--Canada.