A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
New York tunnel extension of the Pennsylvania railroad
The North River Tunnels. B. H. M. Hewett and W. L. Brown. Describes briefly the actual designs finally adopted, the actual conditions met, and the methods of construction adopted. (43000 w.) (No. 14341 E)
New York tunnel extension of the Pennsylvania railroad
The North River Tunnels. B. H. M. Hewett and W. L. Brown. Describes briefly the actual designs finally adopted, the actual conditions met, and the methods of construction adopted. (43000 w.) (No. 14341 E)
New York tunnel extension of the Pennsylvania railroad
Pro Am Soc Civ Engrs
1910
Ills.
Article (Journal)
English
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Pennsylvania railroad tunnel extension into New York city
| Engineering Index Backfile | 1907
The New York tunnel extension of the Pennsylvania railroad
Engineering Index Backfile | 1909
New York tunnel extension of the Pennsylvania railroad system
| Engineering Index Backfile | 1908