International Strategic Minerals Inventory summary report : niobium (columbium) and tantalum /

Bibliographic Details

Main Authors:	Crockett, R. N. (Author), Sutphin, David M. (Author)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 1993.
Series:	U.S. Geological Survey circular ; 930-M.
Subjects:	Niobium ores. Niobium. Niobium industry. Tantalum ores. Tantalum. Tantalum industry. Strategic materials. International Strategic Minerals Inventory.
Online Access:	https://purl.fdlp.gov/GPO/gpo115891