Illustrated description of roadbed and track.
Permanent way of the Pennsylvania railroads
Lon Eng
1894
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
SLUB | 2012
|9 "Smaller railroads" for Pennsylvania
Engineering Index Backfile | 1955
Railroads' appeal to New Jersey and Pennsylvania voters
Engineering Index Backfile | 1915
Rebuilding the Pennsylvania Railroads after the June flood of 1889
Engineering Index Backfile | 1894
|What permanent forests mean to railroads of Arkansas
Engineering Index Backfile | 1931
|