Principles of the mineral resource classification system of the U.S. Bureau of Mines and U.S. Geological Survey.

Bibliographic Details
Corporate Authors:	United States. Bureau of Mines (Author), Geological Survey (U.S.) (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : U.S. Bureau of Mines : U.S. Geological Survey, 1976.
Series:	Geological Survey bulletin ; 1450-A.
Subjects:	Mines and mineral resources > United States > Classification. Minerals > United States > Classification. Minerals. Classification.
Online Access:	https://purl.fdlp.gov/GPO/gpo75262

Description
Item Description:	"A report published jointly by the U.S. Bureau of Mines and U.S. Geological Survey." "Definitions of mineral resource classification terms used by the U.S. Bureau of Mines and U.S. Geological Survey."
Physical Description:	1 online resource (v, 5 pages) : illustration.