Annual statistics, compiled by Bureau of Railway Economics, AAR, giving information regarding number and costs of cross ties laid in maintenance during year 1952.
Tie renewals and costs per mile of maintained track
Am Ry Eng Assn -- Bul
American Railway Engineering Association -- Bulletin ; 55 , n 509
1953
4 Supp Sheets
Aufsatz (Zeitschrift)
Englisch
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Tie renewals and costs per mile of maintained track
Engineering Index Backfile | 1954
Tie renewals and costs per mile of maintained track
Engineering Index Backfile | 1958
Tie renewals and costs per mile of maintained track
Engineering Index Backfile | 1955
Tie renewals and costs per mile of maintained track
Engineering Index Backfile | 1957
British Library Online Contents | 2005