01724oam 2200457 450 991070783560332120161223131935.0(CKB)5470000002468204(OCoLC)885281967(EXLCZ)99547000000246820420140805d1980 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierRelation of the carbon/oxygen ratio in coal to igneous intrusions in the Somerset coal field, Colorado a study of the carbon-to-oxygen ratio in coals metamorphosed to higher than normal rank by igneous plutons /by John R. Dyni and David L. Gaskill[Reston, Va.] :United States Department of the Interior, Geological Survey,1980.Washington :United States Government Printing Office.1 online resource (iv, 20 pages, 1 page of plates) illustrations, mapsGeological Survey bulletin ;1477-AContributions to geochemistryIncludes bibliographical references (pages 18-20).Relation of the carbon/oxygen ratio in coal to igneous intrusions in the Somerset coal field, Colorado CoalColoradoAnalysisCoalAnalysisfastColoradofastCoalAnalysis.CoalAnalysis.Dyni John R.1397406Gaskill David L.Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707835603321Relation of the carbon3486910UNINA