Results: 1 - 5 of 5
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 …
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 …
Dec 31, 1959
Bulletin
… J.H. … Wall, J.H. (1960): Upper Cretaceous Foraminifera from the … … BUL 006 … Bulletin 006 … Upper Cretaceous Foraminifera from the …
Dec 31, 1973
Earth Sciences Report
… sands and gravels and Upper Cretaceous Belly River sandstones. …