No evidence of deterioration in roadway as result of decreased maintenance expenditures in 1930; expenditures for maintenance of way and structures, Class I railroads from 1920 to 1930 inclusive; track structure being studied; progress in power tools; other developments.
Railways are excellently maintained
Ry. Age
Railway Age ; 90 , n 1
1931
3 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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Light railways and colonial railways
Engineering Index Backfile | 1930
|Light railways and colonial railways
Engineering Index Backfile | 1926
Online Contents | 1999
Online Contents | 1999
SLUB | 1996
|