01746oam 2200541 450 991070995720332120180830080813.0(CKB)5470000002474694(OCoLC)944376824(OCoLC)953289998(OCoLC)995470000002474694(EXLCZ)99547000000247469420160311d1954 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierMicroscopic studies of uraniferous coal deposits /by James M. Schopf and Ralph J. GrayWashington, D.C. :United States Department of the Interior, Geological Survey,1954.1 online resource (ii, 10 pages) illustrationsGeological Survey Circular ;343"This report concerns work done on behalf of the U.S. Atomic Energy Commission ..."Includes bibliographical references (pages 9-10).Radioactive substancesCoalUranium oresCoalfastRadioactive substancesfastRadioactive substances.Coal.Uranium ores.Coal.Radioactive substances.Schopf James M(James Morton),1911-1978,857142Gray Ralph J.Geological Survey (U.S.),U.S. Atomic Energy Commission,OCLCEOCLCEOCLCQCOPOCLCFOCLCAGPOBOOK9910709957203321Microscopic studies of uraniferous coal deposits3524817UNINA