01367oam 2200397 450 991070621830332120171106140417.0(CKB)5470000002456258(OCoLC)1008966629(EXLCZ)99547000000245625820171102d2017 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAssessing U.S. coal resources and reserves[Reston, Virginia] :U.S. Department of the Interior, U.S. Geological Survey,2017.1 online resource (6 unnumbered pages) color illustrations, color mapsFact sheet ;2017-3067At head of title: U.S. Coal Resources and Reserves Assessment Project."September 2017."Includes bibliographical references (pages 5-6).Coal reservesUnited StatesCoal mines and miningUnited StatesCoal reservesCoal mines and miningGeological Survey (U.S.),U.S. Coal Resources and Reserves Assessment Project (Geological Survey)GPOGPOGPOBOOK9910706218303321Assessing U.S. coal resources and reserves3312279UNINA