Author: | Brunton, David W. |
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Additional Authors: | Davis, John A. |
Year: | 1913 |
Document Type: | MAIN |
Issuing Agency: | Govt. Print. Off., |
Series: | Miners' circular ; |
Report Number: | 13 |
Subjects: | Tunneling |
Coal mines and mining--Safety measures | |
Link: | https://hdl.handle.net/2027/mdp.39015077562000 |