A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Notes on shafts and surface structures and equipment at coal mine near Nanticoke, Pa, in anthracite field; circular air shaft 20 ft diam for 1833 ft depth, 18 ft for 77 ft, and 12 ft diam to bottom at 2118 ft; 24 by 12 ft rectangular hoisting shaft 2053 ft deep; both shafts lined throughout with concrete, 1 to 2 ft thick; hoisting and ventilating equipment housed together; floor plan; equipment details.
Notes on shafts and surface structures and equipment at coal mine near Nanticoke, Pa, in anthracite field; circular air shaft 20 ft diam for 1833 ft depth, 18 ft for 77 ft, and 12 ft diam to bottom at 2118 ft; 24 by 12 ft rectangular hoisting shaft 2053 ft deep; both shafts lined throughout with concrete, 1 to 2 ft thick; hoisting and ventilating equipment housed together; floor plan; equipment details.
New askam shafts of glen alden
Min Congress J
Warren, H.M. (author)
1938
3 pages
Article (Journal)
English
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New askam shafts of glen alden
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