Roasting of lead-carbonate ores preliminary to gravity concentration
By: by Virgil Miller and R.E. Head.
Contributors: Head, Royden Edward.
Series: Technical paper (Bureau of mines) ;; 413
Publisher: U.S. Gov. Print. Off.
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Lead ores.; Ore-dressing.