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Some suggestions on the safe handling of electric shovel trailing cables in open-pit mines
| Author: | Crawford, F. S. |
|---|---|
| Year: | 1936 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:6922 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 6922 |
| Subjects: | Mine safety |
| Electric cables | |
| Coal mines and mining--Electric equipment | |
| Mining machinery--Electric equipment | |
| Link: | https://hdl.handle.net/2027/mdp.39015077569039 |
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