Special precautions for multiple short-delay blasting in coal mines

Author: Nagy, John.
Additional Authors: Hartmann, Irving., Van Dolah, Robert W.
Year: 1959
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7895
Series: Information circular / United States. Bureau of Mines ;
Report Number: 7895
Subjects: Coal mines and mining--United States--Explosives--Safety measures
Blasting
Link: https://hdl.handle.net/2027/mdp.39015078454496

< New search