A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Western avenue tunnel extension
Chicago tunnel extension is 11 ft. 4 in. wide and 12 ft. high inside and is being driven about 33,000 ft. through solid limestone rock. Details of blasting, mucking, timbering and alignment. Mechanical equipment and concrete lining.
Western avenue tunnel extension
Chicago tunnel extension is 11 ft. 4 in. wide and 12 ft. high inside and is being driven about 33,000 ft. through solid limestone rock. Details of blasting, mucking, timbering and alignment. Mechanical equipment and concrete lining.
Western avenue tunnel extension
Pub. Works
Public Works ; 52
1922
4 pages
5 Figs.
Article (Journal)
English
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