Principles of the mineral resource classification system of the U.S. Bureau of Mines and U.S. Geological Survey.
Subtitle: a report published jointly by the U.S. Bureau of Mines and U.S. Geological Survey.
Contributors: Geological Survey (U.S.)
Series: Mineral resource classification systems of the U.S. Bureau of Mines and U.S. Geological Survey; Geological Survey bulletin ; 1450-A; Geological Survey bulletin ;; 1450-A.
Publisher: The Bureau : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1976
Place of publication: [Washington]
Language: eng
Subjects: Mines and mineral resources -- United States -- Classification.
Other titles: Principles of the mineral resource classification system ...
Notes: Edition for 1980 published under title: Principles of a resource/reserve classification for minerals.