Four track miles of new 115-lb pressure rail installed by Great Northern Railroad in east half of Cascade tunnel, 98 mi east of Seattle, Wash; article explains how rail is welded, tested to detect possible flaws in new welds, coated with preservative and laid. (see also Ry Age v 127 n 2 July 9 1949 p 92-5; Eng News-Rec v 143 n 6 Aug 11 1949 p 38-9)
Longest tunnel gets welded rail
Ry Eng Maintenance
Railway Engineering and Maintenance ; 45 , n 7
1949
3 pages
Article (Journal)
English
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