A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
An account of the present extent of the mine-workings under this city, the conditions due to old workings, tests made of the efficiency of various methods of roof support, and conclusions reached after thorough investigation. (3500 w.) (No. 26755 F)
An account of the present extent of the mine-workings under this city, the conditions due to old workings, tests made of the efficiency of various methods of roof support, and conclusions reached after thorough investigation. (3500 w.) (No. 26755 F)
Mine-caves under the city of Scranton
Bul Am Inst Min Engrs
Connor, Eli T. (author)
1911
Ills.
Article (Journal)
English
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