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Recommendations of the Bureau of Mines on certain questions of mine safety
| Year: | 1928 |
|---|---|
| Document Type: | MAIN |
| SUDOC: | C 22.11:6091 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6091 |
| Subject: | Mine safety |
| Link: | https://hdl.handle.net/2027/mdp.39015095078237 |
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