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Development and features of Turnpike which is at present longest toll superhighway in United States; tunnels, interchanges, limiting grades and curves. (see also Baltimore Engr v 14 n 11 May 1940 p 1-4)
Development and features of Turnpike which is at present longest toll superhighway in United States; tunnels, interchanges, limiting grades and curves. (see also Baltimore Engr v 14 n 11 May 1940 p 1-4)
Pennsylvania Turnpike
Civ Eng (NY)
Allen, H.H. (author)
1940
4 pages
Article (Journal)
English
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Engineering Index Backfile | 1940
|Engineering Index Backfile | 1939
|Engineering Index Backfile | 1939
|Planning Pennsylvania Turnpike
Engineering Index Backfile | 1940
|Engineering Index Backfile | 1939