Economic and practical problems encountered by Pennsylvania Railroad in making relocation at Sewickley, Pa., as part of work of providing six tracks and otherwise improving its main line from Pittsburgh to west; estimated cost $5,850,000.
Pennsylvania railroad relocation avoids suburban towns
Eng. News-Rec
Engineering News Record ; 101 , n 17
1928
2 pages
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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