A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Features of mining methods of 4 companies in Louisiana; shafts 530 to 811 ft deep; modified room and pillar method used at 3 properties; square block system used at 4th mine; surface plant practice; statistical accident records; safety activities; belief is expressed that through training and instruction of individual employees will improve safety conditions.
Features of mining methods of 4 companies in Louisiana; shafts 530 to 811 ft deep; modified room and pillar method used at 3 properties; square block system used at 4th mine; surface plant practice; statistical accident records; safety activities; belief is expressed that through training and instruction of individual employees will improve safety conditions.
Accident experience of Louisiana Salt Mines
U S Bur Mines -- Information Cir
Brown, E.H. (author)
1938
7 pages
Report
English
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