American standard practice for rock-dusting underground bituminous-coal and lignite mines to prevent coal-dust explosions (ASA Standard M13.1-1960, UDC 622.81)

Year: 1960
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:8001
Series: Information Circular / Bureau of Mines ;
Report Number: 8001
Subject: Dust explosions--Safety measures
Link: https://hdl.handle.net/2027/mdp.39015078534891

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