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Notes on concreting haulage tunnel in desire mine at pilgrims rest
Tunnel driven through sandstones, quartzites, dolomitic limestones, shales and decomposed diabase; details of enlarging pilot drive, laying concrete mat in foot wall, erection of reinforced concrete walls, and placing arch on walls.
Notes on concreting haulage tunnel in desire mine at pilgrims rest
Tunnel driven through sandstones, quartzites, dolomitic limestones, shales and decomposed diabase; details of enlarging pilot drive, laying concrete mat in foot wall, erection of reinforced concrete walls, and placing arch on walls.
Notes on concreting haulage tunnel in desire mine at pilgrims rest
Chem Met Min Soc S Africa -- J
Bell, H.C.F. (author)
1932
8 pages
Article (Journal)
English
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