Statistical data, compiled by Committee on Ties of American Railway Engineering Assn, from annual reports of railways.
Story of tie renewals in 1937
Ry Age
Railway Age ; 105 , n 1
1938
3 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1938
Engineering Index Backfile | 1941
Engineering Index Backfile | 1937
Table tells story of tie renewals during depression
Engineering Index Backfile | 1936
Table tells partial story of tie renewals in 1939
Engineering Index Backfile | 1940