Author: | Look, Allen D. |
---|---|
Additional Authors: | Rodriguez, Ernest R. |
Year: | 1950 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:7567 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 7567 |
Subjects: | Mine safety--Arizona |
Copper mines and mining--Arizona--Safety measures | |
Link: | https://hdl.handle.net/2027/mdp.39015078455535 |