A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Some problems of longwall mining in Cape Breton
Roof control on face and on main roadways leading thereto; transportation of coal along face and levels; mechanical loading at face; safe method of conducting and applying power at working faces; dust nuisance. Before Min Soc Nova Scotia. (Bul n 420 Apr 1947)
Some problems of longwall mining in Cape Breton
Roof control on face and on main roadways leading thereto; transportation of coal along face and levels; mechanical loading at face; safe method of conducting and applying power at working faces; dust nuisance. Before Min Soc Nova Scotia. (Bul n 420 Apr 1947)
Some problems of longwall mining in Cape Breton
Can Inst Min Met -- Trans
Morrison, D. (author)
1947
7 pages
Article (Journal)
English
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