Results: 1 - 3 of 3
Sep 10, 2019
Report
… characterization of the Upper Cretaceous–Quaternary units in the … Characterization of the Upper Cretaceous–Quaternary units …
Dec 31, 1957
Bulletin
… Lower Cenomanian substage of the Upper Cretaceous. Lithologic sections are … John area. The Lower Cretaceous-Upper Cretaceous boundary occurs at …
Dec 31, 1973
Earth Sciences Report
… is the Wapiti Formation of Late Cretaceous age. It is highly … Groundwater flow systems in the upper 300 feet are largely …