A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Two-lane highway tunnel through variable formations in ridge of Blue Mountains in northeastern Pennsylvania; drilling and blasting operations and equipment described.
Two-lane highway tunnel through variable formations in ridge of Blue Mountains in northeastern Pennsylvania; drilling and blasting operations and equipment described.
Lehigh tunnel
Explosives Engr
Owens, R.L. (author)
Explosives Engineer ; 34
1956
7 pages
Article (Journal)
English
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