Confronted with numerous stretches of unstable track, highly expensive to maintain, in parts of Minnesota, North Dakota and Montana, Great Northern began in 1946 extensive program of track stabilization by pressure grouting; statistics giving cost of work and savings being realized. (See also Ry Eng and Maintenance v 45 n 2 Feb 1949 p 135-7)
Roadbed grouting returns large profits
Ry Age
Railway Age ; 126 , n 7
1949
2 pages
Article (Journal)
English
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