Borrowman, S. Ralph Radium removal from uranium ores and mill tailings Borrowman, S. Ralph; Brooks, Parkman T. - Washington Bureau of mines 1975 - 12 p. - RI 8099 . Subjects--Topical Terms: METALURGIAMETALLURGY Subjects--Index Terms: RELAVES MINERALES DE URANIO TAILINGS URANIUM ORES Universal Decimal Class. No.: 669