Description of toll road being constructed for high speed traffic through mountains of Pennsylvania from Harrisburg to Pittsburgh. Before Nat Crushed Stone Assn.
Pennsylvania turnpike
Crushed Stone J
Crushed Stone Journal ; 14 , n 2
1939
4 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1940
|Engineering Index Backfile | 1939
Lighting Pennsylvania Turnpike
Engineering Index Backfile | 1941
|Engineering Index Backfile | 1939
|Design features -- Pennsylvania Turnpike
Engineering Index Backfile | 1940
|