Technologic trends in the minerals industry, 1971
By: by Staff, Bureau of Mines, Washington, D.C.
Series: Information circular / Bureau of Mines -- 8581; Information circular (United States. Bureau of Mines) -- 8581
Publisher: U. S. Bureau of Mines
Published: 1973
Place of publication: Washington
Language: eng
Number of pages: 61
Subjects: Mineral industries; Technology
Notes: Includes bibliographies.