Why men were killed at Pennsylvania anthracite mines in 1950

Author: Forbes, John J. V.
Additional Authors: Weaver, H. F.
Year: 1951
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7609
Series: Information circular / United States. Bureau of Mines ;
Report Number: 7609
Subjects: Mine accidents--Pennsylvania
Coal mines and mining--Pennsylvania
Link: https://hdl.handle.net/2027/mdp.39015078456111

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