With introduction of shuttle car for use in trackless mining, new and improved methods of mining were put into effect at mine No. 63, Consolidation Coal Co, Monongah, W Va; methods permitelimination of all doors on shuttle car roadways and on main line haulage; nine parallel entries driven; central five carry air to face, where it is split and returned through remaining two entries on each side of section; timbering, etc.
Safety with shuttle cars
Coal Age
Coal Age ; 54 , n 2
1949
3 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1953
|Optimized Operator Compartment. Appendix D. Shuttle Cars
NTIS | 1975
|Use of A-C shuttle cars at Carlsbad
Engineering Index Backfile | 1962
|NTRS | 1977
|