00854nam a2200253 4500 3133242 BD-DhUL 20170418102735.0 701110s1970 nyua b 000 0 eng 72015786 DLC BD-DhUL BD-DhUL 553.3 UNS United Nations Survey of world iron ore resources: occurrence and appraisal : report of a panel of experts appointed by the Secretary-General / United Nations New York : United Nations, 1970. vi, 479 p. : illus. 28 cm. 6.50 [United Nations. Document] ST/ECA/113 "United Nations publication. Sales no.: E.69. II.C. 4." Includes bibliographical references. Iron ores. Iron mines and mining. ddc BK 184518 184518 0 0 ddc 0 553_300000000000000_UNS 0 NFIC 320702 DUL DUL UNC 2017-04-18 Gift 553.3 UNS D4723 2017-04-18 2017-04-18 BK