Effect of abnormal air conditions on mine workers

Author: Sayers, R. R.
Year: 1930
Document Type: USBI
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6245
Series: Information circular / Bureau of Mines ;
Report Number: 6245
Subjects: Mine ventilation--United States
Silicosis--United States
Mine gases--United States
Link: https://hdl.handle.net/2027/mdp.39015077576141

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