Indexed in Engineering Index 1946 p 1167, from Eng News-Rec June 27 1946.
Tunnel trouble and how to correct it
Ry Age
Railway Age ; 122 , n 8 ; p 412-414
1947
3 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Trouble at SP's Potrero Hill tunnel
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