Sharp curvature, heavy grades and dense traffic impose many problems on Pennsylvania's famous horseshoe curve; rail life varies from one to four years; routine maintenance is practically continuous; methods employed for carrying out track work.
Handling the country's most difficult track maintenance
Ry. Eng. Maintenance
Railway Engineering and Maintenance ; 25 , n 8
1929
5 pages
5 Figs.
Article (Journal)
English
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