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Dec 31, 1966
Bulletin
… … The Lower Cretaceous Blairmore Group of the … and petrology of the Lower Cretaceous Blairmore and Mannville … and Petrology of the Lower Cretaceous Blairmore and Mannville …
Aug 31, 1977
Open File Report
… (primarily carbonates), the Cretaceous McMurray Formation (oil impregnated sandstone), the Cretaceous Clearwater Formation … and younger undifferentiated Cretaceous units (shales). The …