Illustrated description of work on the L. and N. R. R. near Covington, Ky., without interruption of traffic. (1500 w.) (No. 29592)
Building a double-track system around a single-track railroad tunnel
Eng Rec
1912
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1892
|Tieless railroad track in tunnel of Hamburg's underground railroad
Engineering Index Backfile | 1963
|Working single track railroad operation
Engineering Index Backfile | 1887
|