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Pennsylvania Turnpike issue
Symposium on 160-mi superhighway from Harrisburg to Pittsburgh, utilizing right of way of old South Penn Railroad, to cost $61,000,000; Evolution of Pennsylvania Superhighway; Financing Turnpike, W. A. JONES; Designing Roadway; Tunnel Design; Construction Paces Progress Schedule.
Pennsylvania Turnpike issue
Symposium on 160-mi superhighway from Harrisburg to Pittsburgh, utilizing right of way of old South Penn Railroad, to cost $61,000,000; Evolution of Pennsylvania Superhighway; Financing Turnpike, W. A. JONES; Designing Roadway; Tunnel Design; Construction Paces Progress Schedule.
Pennsylvania Turnpike issue
Roads Streets
Roads and Streets ; 82
1939
76 pages
Article (Journal)
English
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Engineering Index Backfile | 1940
|Engineering Index Backfile | 1940
|Engineering Index Backfile | 1939
|Engineering Index Backfile | 1939
|Planning Pennsylvania Turnpike
Engineering Index Backfile | 1940
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