Close of 1929 ends five-year period of remarkable performance and increasing standards of upkeep; curve showing expenditures of class I railways for maintenance of way and structures, by months; power tools impose new problems; new developments of year; centralized supervision.
Marked progress in maintenance
Ry. Age
Railway Age ; 88 , n 1
1930
3 pages
3 Figs.
Article (Journal)
English
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