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Installation of a model man cage at the Avoca Shaft of the Heidelberg Coal Co., Avoca, Lucerne County, Pa.
| Author: | McCleary, E. H. |
|---|---|
| Additional Authors: | Mather, Joseph V. |
| Year: | 1947 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7407 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 7407 |
| Subjects: | Mine safety |
| Coal mines and mining--Pennsylvania--Safety measures | |
| Link: | https://hdl.handle.net/2027/mdp.39015077577677 |
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