Results: 1 - 3 of 3
Dec 31, 1974
Earth Sciences Report
… … The Ardley coal zone is subdivided into three … Lower Ardley ''B'' unit. Each coal unit is mapped on the basis of … successions of high quality coal. Lithofacies studies are …
Feb 28, 1993
Open File Report
… oxidized form of lignite coal that is rich in humic acids. … their own pits and from a nearby coal mine in the Forestburg area. …