TY - BOOK AU - Crockett, R. N. AU - Sutphin, David M. CN - QE75 CN - TN490.N65 CN - QE75 CY - [Washington, D.C.?] : CY - Denver, Co : DA - 1993. ID - 147039 KW - Niobium. KW - Niobium industry. KW - Niobium ores. KW - Tantalum. KW - Tantalum industry. KW - Tantalum ores. LK - http://purl.access.gpo.gov/GPO/LPS102669 N1 - "Prepared as a cooperative effort among earth-science and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of America." N1 - "Issued by U.S. Geological Survey." N1 - Shipping list no.: 93-0305-P. PB - U.S. G.P.0. ; PB - Map Distribution, PP - [Washington, D.C.?] : PP - Denver, Co : PY - 1993. T1 - International strategic minerals inventory summary report :niobium (columbium) and tantalum / TI - International strategic minerals inventory summary report :niobium (columbium) and tantalum / UR - http://purl.access.gpo.gov/GPO/LPS102669 VL - 930-M ER -