Results: 1 - 5 of 5
Feb 28, 2007
Earth Sciences Report
… motivated the study of Ardley coal zone characterization and coal-sandstone channels … and development in the Ardley coal zone and the emerging interest …
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 …
Nov 29, 2018
Data
… energy footprints (oil, gas, and coal mining activities), non-energy …
Dec 31, 1974
Information Series
… energy sources (subbituminous coal or natural gas), then …