TRANSACTIONS
Reading edition
Paper No. 1155
THE NEW YORK TUNNEL EXTENSION OF THE PENNSYLVANIA RAILROAD. THE NORTH RIVER TUNNELS. [A]
By B. H. M. Hewett and W. L. Brown, Members, Am. Soc. C. E.
Reading edition
Paper No. 1155
THE NEW YORK TUNNEL EXTENSION OF THE PENNSYLVANIA RAILROAD. THE NORTH RIVER TUNNELS. [A]
By B. H. M. Hewett and W. L. Brown, Members, Am. Soc. C. E.