Results: 1 - 6 of 6
Jun 30, 2003
Geo-Note
… Member contains intra-stratified shale and fossiliferous limestone …
May 03, 2018
Open File Report
Dec 31, 1968
Earth Sciences Report
… a relatively impermeable marine shale, completely underlies the … beds of argillaceous sandstone, shale, and coal which immediately …
May 03, 2018
Model
Dec 31, 1957
Bulletin
… the lower part of the Colorado shale of Alberta and Saskatchewan, and in the Mowry shale of the Black Hills area of …
Dec 31, 1999
Earth Sciences Report
… material (e.g., anhydrite and shale beds) has been considered. As …