The heavy traffic made necessary the construction of 96 miles of second main line during 1917. Details of the work. (3000 w.) (87220)
Completing the double track on the Union Pacific
Ry Age
1918
Ills.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Second track work on the Union Pacific
Engineering Index Backfile | 1917
Union Pacific installs C.T.C. on 175 miles of single track
Engineering Index Backfile | 1943
Union Pacific installs C.T.C. on 175 miles of single track
Engineering Index Backfile | 1943
Tema Archive | 1984