Results: 1 - 6 of 6
Aug 31, 1983
Open File Report
… framework of Lower Cretaceous coal-bearing rocks in the Grande … framework of Lower Cretaceous coal-bearing rocks in the Grande … Framework of Lower Cretaceous Coal-Bearing Rocks in the Grande …
Oct 16, 2005
Map
… exclusive of the fossil fuels (coal, oil and gas), sand and …
Dec 31, 1982
Open File Report
… Bentonite, Clay and Shale, Coal, Copper, Coquina, Diatomite, …
Dec 31, 1973
Earth Sciences Report
… bentonitic sandstones and coal seams. Yields are fairly high …
Dec 31, 1970
Earth Sciences Report
… and thin bedded sandstones, coal and carbonaceous shales of the …
Dec 31, 1974
Information Series
… energy sources (subbituminous coal or natural gas), then …