Figure 2. Generalized facies distribution in parts of the lower, middle, and upper Mannville (from Cant, 1989). A. Upper part of lower Mannville. B. Transgressive middle Mannville. C. Upper Part of upper Mannville. Reproduced with the permission of The Canadian Society of Petroleum Geologists and of the Minister of Public Works and government Services Canada, 2004, and Courtesy of Natural Resources Canada, Geological Survey of Canada.