01594oam 2200409Ia 450 991069161450332120030327090655.0(CKB)5470000002347243(OCoLC)49981896ocm49981896(OCoLC)995470000002347243(EXLCZ)99547000000234724320020612d2002 ua 0engurcn||||||txtrdacontentcrdamediacrrdacarrierQuality of economically extractable coal beds in the Gillette coal field as compared with other Tertiary coal beds in the Powder River Basin, Wyoming and Montana[electronic resource] /by Margaret S. EllisVersion 1.0.[Denver, Colo.] :U.S. Dept. of the Interior, U.S. Geological Survey,2002.U.S. Geological Survey open-file report ;02-174Title from HTML title screen (viewed on June 12, 2002).Includes bibliographical references.CoalQualityWyomingGillette RegionCoalPowder River Basin (Wyo. and Mont.)CoalQualityCoalEllis Margaret S(Margaret Stamm),1950-1383714Geological Survey (U.S.)GISGISGPOBOOK9910691614503321Quality of economically extractable coal beds in the Gillette coal field as compared with other Tertiary coal beds in the Powder River Basin, Wyoming and Montana3428923UNINA