Results: 1 - 6 of 6
Jan 23, 2020
Data
… quartzite, other stones, clay, shale, salt, potash, gypsum, sodium …
Jan 31, 1970
Open File Report
… is divisible into sandstone, shale and coal beds, and the … Paskapoo comprises a series of shale, carbonaceous shale, coal, siltstone and …
Dec 31, 1982
Open File Report
… Barite, Bentonite, Clay and Shale, Coal, Copper, Coquina, …
Dec 31, 1973
Earth Sciences Report
Mar 31, 2005
Geo-Note
… sediments and the underlying shale bedrock during incision and …