Results: 1 - 3 of 3
Dec 31, 1957
Bulletin
… Lower Cenomanian substage of the Upper Cretaceous. Lithologic sections are … John area. The Lower Cretaceous-Upper Cretaceous boundary occurs at …
Apr 06, 2009
Open File Report
… Alberta, to obtain uppermost Upper Cretaceous and early Paleocene … wells typically case through the Cretaceous stratigraphy. A second …
Dec 31, 1957
Earth Sciences Report
… of the area is composed of Upper Cretaceous unconsolidated …