Author: | Barkley, J. F. |
---|---|
Year: | 1938 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines ; |
SUDOC: | I 28.27:7016 |
Series: | Information circular / United States. Bureau of Mines ; |
Report Number: | 7016 |
Subjects: | Air--Pollution |
Smoke prevention | |
Link: | https://hdl.handle.net/2027/mdp.39015077575762 |