Results: 1 - 6 of 6
Sep 26, 2017
Data
… from Lower Jurassic to Lower Cretaceous strata of the southern … of the Jurassic through Lower Cretaceous strata of the Rocky … of the Jurassic through Lower Cretaceous Strata of the Rocky …
Sep 26, 2017
Open File Report
… from Lower Jurassic to Lower Cretaceous strata of the southern … of the Jurassic through Lower Cretaceous strata of the Rocky … of the Jurassic through Lower Cretaceous Strata of the Rocky …
Apr 07, 2016
Presentation
… lenses. In the Upper Cretaceous–Paleogene bedrock …
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 …
Dec 19, 2014
Poster
… 420,000 km2) includes Upper Cretaceous aquifers to Recent age …
Dec 31, 1967
Bulletin
… and lenticular, Upper Cretaceous argillaceous siltstones …