Some information from an investigation on methods of confining cardox blasting devices in boreholes in certain coal mines

Author: Griffith, F. E.
Additional Authors: Seeling, C. H.
Year: 1943
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:3714
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 3714
Subjects: Blasting
Coal mines and mining
Boring
Link: https://hdl.handle.net/2027/mdp.39015078487330

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