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The meeting of the four east river tunnels of the Pennsylvania railroad
Particulars of this most difficult of subaqueous tunneling projects, with illustrations. (3000 w.) (No. 91407)
The meeting of the four east river tunnels of the Pennsylvania railroad
Particulars of this most difficult of subaqueous tunneling projects, with illustrations. (3000 w.) (No. 91407)
The meeting of the four east river tunnels of the Pennsylvania railroad
Eng Rec
1908
Aufsatz (Zeitschrift)
Englisch
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The New York tunnel extension of the Pennsylvania railroad. The East River tunnels
Engineering Index Backfile | 1909
|Engineering Index Backfile | 1910
|Completion of the Pennsylvania railroad tunnels and terminal station
Engineering Index Backfile | 1910