01612nas 2200529-a 450 99621223680331620240413021552.0(DE-599)ZDB2070399-5(CKB)962824973175(CONSER)---88656103-(EXLCZ)9996282497317519880311b19881996 --- aengtxtrdacontentcrdamediacrrdacarrierCoal[Chicago, Ill.] [Maclean Hunter Pub. Co.][©1988-1996.]1 online resourceTitle from cover.Print version: Coal (Chicago, Ill. : 1988) 1040-7820 (DLC) 88656103 (OCoLC)17616326 COAL AGE (1996)COAL AGECoalCoal mines and miningPeriodicalsCoal mines and miningUnited StatesPeriodicalsCoal preparationPeriodicalsCoal mines and miningfast(OCoLC)fst00865355Coal preparationfast(OCoLC)fst00865469COAL MININGunbistCOAL INDUSTRYunbistUnited StatesfastPeriodicals.fastPeriodicals.lcgftCoal mines and miningCoal mines and miningCoal preparationCoal mines and mining.Coal preparation.COAL MINING.COAL INDUSTRY.622/.334JOURNAL996212236803316exl_impl conversionCoal797035UNISA