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 23, 2017
Data
… the bounding surface for Upper Cretaceous-Paleogene bedrock strata …
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 …
Jan 14, 2010
Data
… Descriptions of Exposed Upper Cretaceous and Tertiary Rock …
Feb 15, 2010
Open File Report
… We described outcrops of Upper Cretaceous and Tertiary formations …