Case history of drift mine in Wyoming; seam 7 to 10 ft thick; room and pillar mining of two types; crawler mounted loaders discharge into shuttle cars and thence into mine cars through elevating conveyors; crews and productivity.
Shuttle cars in room-and-pillar block retreat panel system
Mechanization
Mechanization ; 11 , n 8
1947
2 pages
Aufsatz (Zeitschrift)
Englisch
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Shuttle cars -- Room-and-pillar retreat mining in thin seam
Engineering Index Backfile | 1947
Shuttle cars in block system; pillaring with development
Engineering Index Backfile | 1946
Engineering Index Backfile | 1952
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