A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Railroad tunnels "daylighted" by company forces
Elimination of tunnels on Southern Pacific lines by excavating through overburden to grade was necessary in order to remove restrictive clearances; grading done by railroads own forces; cost figures demonstrated economy of methods; other tunnels eliminated by relocation of main line.
Railroad tunnels "daylighted" by company forces
Elimination of tunnels on Southern Pacific lines by excavating through overburden to grade was necessary in order to remove restrictive clearances; grading done by railroads own forces; cost figures demonstrated economy of methods; other tunnels eliminated by relocation of main line.
Railroad tunnels "daylighted" by company forces
Civ Eng (NY)
Mayo, E.E. (author)
1946
4 pages
Article (Journal)
English
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