00993nas 2200325 a 450 991033875530332120240413015216.02045-2586(CKB)2670000000120837(CONSER)sn 81001257 (EXLCZ)99267000000012083720750921b19391963 uy aengtxtrdacontentcrdamediacrrdacarrierMining world[San Francisco Miller Freeman Publications1939-1963]1 online resourcePrint version: Mining world (San Francisco, Calif.) 2045-2578 (DLC)sn 81001257 (OCoLC)1642276 Mineral industriesPeriodicalsMines and mineral resourcesNorth AmericaMineral industriesMines and mineral resources622JOURNAL9910338755303321exl_impl conversionMining world1971080UNINA