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Pennsylvania, New Jersey and New York Railroad Company. North River Division
Specifications and contract [for construction of tunnels under Bergen Hill and North River]
Contract drawings [for construction of tunnels under Bergen Hill and North River]
![Specifications and contract [for construction of tunnels under Bergen Hill and North River]](https://covers.openlibrary.org/b/id/7983655-L.jpg)
![Contract drawings [for construction of tunnels under Bergen Hill and North River]](https://s3.amazonaws.com/readfeedstatic/book_covers/thumbnails/rf-placeholder.png)