Results: 1 - 6 of 6
Oct 31, 1993
Open File Report
… … The Jurassic/Cretaceous boundary in a well is … the nature of the Jurassic/Cretaceous boundary and includes … and Dolby, G. (1993): Jurassic/Cretaceous boundary in west central …
Apr 30, 1983
Open File Report
… Sedimentology of the Upper Cretaceous Judith River (Belly … - Sedimentology of the Upper Cretaceous Judith River (Belly …
Apr 07, 2016
Presentation
… lenses. In the Upper Cretaceous–Paleogene bedrock …
Dec 31, 1961
Earth Sciences Report
… nearly flat lying rocks of Late Cretaceous age covered by … of variable thickness. The Cretaceous succession consists of …
Dec 19, 2014
Poster
… 420,000 km2) includes Upper Cretaceous aquifers to Recent age …
Dec 31, 1967
Bulletin
… and lenticular, Upper Cretaceous argillaceous siltstones …