Author: | Schoning, J. G. |
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Year: | 1929 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
SUDOC: | C 22.11:6137 |
Series: | Information circular / United States Department of Commerce, Bureau of Mines ; |
Report Number: | 6137 |
Subject: | Mine safety--Societies, etc--Washington (State) |
Link: | https://hdl.handle.net/2027/mdp.39015077570276 |