Potential Minability and Economic Viability of the ...
coal mine having about a 20year lifespan could be developed in this coal field. Department of the Interior Bruce Babbitt, Secretary Geological Survey Charles G. Groat, Director Published in the Eastern Region, Reston, Va. Manuscript approved for publiion on August 2, 2000 Any use of trade, product, or firm names in this publiion is for descriptive purposes .