01431nam 2200445I 450 991071331660332120200609150738.0(CKB)5470000002500481(OCoLC)1149923066(EXLCZ)99547000000250048120200410d2019 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierRare earth elements in coal and coal fly ashReston, VA :U.S. Department of the Interior, U.S. Geological Survey,2019.1 online resource (4 unnumbered pages) color illustrationsFact sheet,2327-6932 ;2019-3048"By Clint Scott and Allan Kolker"--Page 4."September 2019."Includes bibliographical references (page 4).CoalUnited StatesAnalysisFly ashUnited StatesRare earth metalsUnited StatesPower resourcesUnited StatesCoalAnalysis.Fly ashRare earth metalsPower resourcesScott Clint1415226Kolker AllanGeological Survey (U.S.),GPOGPOBOOK9910713316603321Rare earth elements in coal and coal fly ash3516621UNINA