A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Deepening Ross and Yates shafts from 4250 and 4160 ft, respectively, to 5000 level; sinking winze from 4850 ft to undetermined depth; sequence of operations, timbering and mechanization; sinking of air shaft.
Deepening Ross and Yates shafts from 4250 and 4160 ft, respectively, to 5000 level; sinking winze from 4850 ft to undetermined depth; sequence of operations, timbering and mechanization; sinking of air shaft.
Shaft sinking at Homestake
Min Congress J
Campbell, W.C. (author)
1959
6 pages
Article (Journal)
English
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