Advantages in economy and improved quality of work demonstrated by large system gangs on Chicago, Milwaukee, St. Paul and Pacific Railroad, replacing more numerous small division gangs.
Ballasting mile of track a day
Ry Eng Maintenance
Railway Engineering and Maintenance ; 32 , n 8
1936
Aufsatz (Zeitschrift)
Englisch
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The hart convertible ballasting and freight car, and the work of ballasting track
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