Secondary gold in the United States.
Series: Information circular ;; 8447; Information bulletin (United States. Bureau of Mines) ;; 8447.
Publisher: For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1970
Place of publication: [Washington
Language: eng
Number of pages: 30
Subjects: Gold.; Scrap metals.
Notes: Bibliography: p. 30.