A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Brier hill concrete lined shaft, Vulcan, Mich
Abstract of a paper read before the L. Superior Min. Inst. Illustrates and describes the lining of a circular shaft 850 ft. deep and 14 ft. in diameter. (1500 w.) (No. 13794)
Brier hill concrete lined shaft, Vulcan, Mich
Abstract of a paper read before the L. Superior Min. Inst. Illustrates and describes the lining of a circular shaft 850 ft. deep and 14 ft. in diameter. (1500 w.) (No. 13794)
Brier hill concrete lined shaft, Vulcan, Mich
Eng Min Jour
Kelly, William (author)
1910
Article (Journal)
English
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