A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Application of Newest methods pays dividends
Innovations at Kohler Mine, Saint Louis, Rocky Mountain and Pacific Coal Co; adoption of airdox as means of breaking coal and roof bolting as successful means of roof control; present output averages 2,400 ton per double shift day; underground transportation is conducted entirely on track; characteristics of power and ventilation; control of dust by spraying face with water; rock dusting applied by hand and with permissible type rock dusting machine.
Application of Newest methods pays dividends
Innovations at Kohler Mine, Saint Louis, Rocky Mountain and Pacific Coal Co; adoption of airdox as means of breaking coal and roof bolting as successful means of roof control; present output averages 2,400 ton per double shift day; underground transportation is conducted entirely on track; characteristics of power and ventilation; control of dust by spraying face with water; rock dusting applied by hand and with permissible type rock dusting machine.
Application of Newest methods pays dividends
Mechanization
Mechanization ; 15
1951
7 pages
Article (Journal)
English
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