Permissible explosives tested prior to January 1, 1914

Author: Hall, Clarence.
Year: 1914
Document Type: USBM
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.7:71
Series: Technical paper / United States Department of the Interior, Bureau of Mines ;
Report Number: 71
Subjects: Explosives
Coal mines and mining--Explosives
Link: https://hdl.handle.net/2027/mdp.39015077561101

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