Results: 1 - 5 of 5
Apr 20, 2020
Report
… anhydrite, carbonate, and shale. Understanding the degree of …
Aug 31, 1977
Open File Report
… Cretaceous Clearwater Formation (shale), the Grand Rapids Formation …
May 17, 2019
Poster
… comprising anhydrite, shale, red beds, and dolomite, and …
Jan 23, 2020
Map
… elements, salt, sand/gravel, shale, silica sand, stone, sulphur, …
Mar 07, 2010
Information Series
… Head Hills, polymetallic black shale in the Birch Mountains, …