Results: 1 - 4 of 4
Dec 31, 1972
Open File Report
… which consists of the Clearwater shale and the Wabiskaw glauconitic … slopes composed of Clearwater shale because of their …
Dec 31, 1982
Open File Report
… Barite, Bentonite, Clay and Shale, Coal, Copper, Coquina, …
Dec 31, 1976
Open File Report
… of exposed sandstone and shale. The climate is continental …