Results: 1 - 4 of 4
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 …
Jul 28, 2010
Data
… was created by the Minerals and Coal Geoscience Section of the …
Dec 31, 1974
Information Series
… energy sources (subbituminous coal or natural gas), then …