Year: | 1971 |
---|---|
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of Interior, Bureau of Mines, |
SUDOC: | I 28.27:8527 |
Series: | Information circular / United States. Bureau of Mines ; |
Report Number: | 8527 |
Subjects: | Air--Pollution |
Zinc | |
Lead | |
Copper | |
Smelting | |
Sulfur oxides | |
Link: | https://hdl.handle.net/2027/mdp.39015078514927 |