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A platform for research: civil engineering, architecture and urbanism
Fast, safe shaft job helps reopen Urad mine
Notes on mine near Empire, Colo, taken over and rehabilitated by Molybdenum Corp of America; most important feature was raising 1115 ft blind shaft, from lower to upper tunnel level; details of mine workings, shaft timbering, hoisting of men and materials, and muck handling; geology of deposit; mining methods; 200 ton milling plant.
Fast, safe shaft job helps reopen Urad mine
Notes on mine near Empire, Colo, taken over and rehabilitated by Molybdenum Corp of America; most important feature was raising 1115 ft blind shaft, from lower to upper tunnel level; details of mine workings, shaft timbering, hoisting of men and materials, and muck handling; geology of deposit; mining methods; 200 ton milling plant.
Fast, safe shaft job helps reopen Urad mine
Eng Min J
Ramsey, R.H. (author)
1945
4 pages
Article (Journal)
English
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