Results: 1 - 3 of 3
Aug 31, 1983
Open File Report
… framework of Lower Cretaceous coal-bearing rocks in … framework of Lower Cretaceous coal-bearing rocks in … Framework of Lower Cretaceous Coal-Bearing Rocks in …
May 31, 2000
Earth Sciences Report
… indicates that the Lower Cretaceous McMurray Formation was … is preserved. The Lower Cretaceous McMurray Formation … cut within the karstic pre-Cretaceous landscape. Lower …
Dec 31, 1957
Bulletin
… Cenomanian substage of the Upper Cretaceous. Lithologic sections are … Fort St. John area. The Lower Cretaceous-Upper Cretaceous boundary occurs at a …