Results: 1 - 2 of 2
Dec 31, 1973
Earth Sciences Report
… … The coal resources of the Hussar-Hanna … at 2-mile intervals. Strippable coal (within 100 feet of surface) … tons of economically recoverable coal. Two useful marker beds are …
Apr 30, 1983
Open File Report
… to a rejuvenated interest in coal resources and further recovery …