Results: 1 - 3 of 3
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 20, 2020
Data
… the middle red beds, and the upper Lotsberg halite units, and … marker beds from the lower and upper Lotsberg halite units, 4) the … also includes picks of the sub-Cretaceous unconformity where it …
Dec 31, 1957
Earth Sciences Report
… of the area is composed of Upper Cretaceous unconsolidated …