01481nam 2200385 450 991070381000332120150821091944.0(CKB)5470000002435635(OCoLC)918989373(EXLCZ)99547000000243563520150820d2015 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCoal geology and assessment of coal resources and reserves in the Powder River Basin, Wyoming and Montana /by James A. Luppens [and four others]Reston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2015.1 online resource (xiii, 218 pages) color illustrations, color mapsProfessional paper ;1809Title from title screen (viewed Aug. 19, 2015).Includes bibliographical references (pages 40-45).Coal reservesPowder River Basin (Wyo. and Mont.)CoalGeologyPowder River Basin (Wyo. and Mont.)Coal reservesCoalGeologyLuppens James A(James Alan),1946-1404240Geological Survey (U.S.),GPOGPOGPOBOOK9910703810003321Coal geology and assessment of coal resources and reserves in the Powder River Basin, Wyoming and Montana3478516UNINA