World copper smelter sulfur balance--1988 /
by Stewart W. Towle.
- Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1993.
- 9 p. : ill. ; 29 cm.
- Information circular ; 9349 .
- Information circular (United States. Bureau of Mines) ; 9349. .
Includes bibliographical references (p. 9).
92044698
Sulfur dioxide--Environmental aspects. Copper industry and trade--Environmental aspects. Smelting furnaces--Environmental aspects.