Shaped charges applied to mining:

Author: Draper, Hiram C.
Additional Authors: Agnew, Wing G., Hill, James E.
Year: 1948
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4371
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4371
Subject: Mine blasting
Link: https://hdl.handle.net/2027/mdp.39015078467548

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