Facsimile of the illustrated 1909 souvenir program to commemorate the fifth anniversary of the the joining of New York with New Jersey via the Hudson Tubes.
Text of this article by John Vipond Davies printed in the 1916 volume of the American Society of Civil Engineers Transactions.
Full text of this 1875 book by John B. McMaster.
Facsimile of the 1894 book by Charles M. Jacobs.
Full text of this document providing detailed reports from the heads of department for the year ending 1873.
Facsimile of the letter from the Secretary of War, transmitting the report of the commission to examine and report upon the Sutro Tunnel, in Nevada. January 9, 1872.
Facsimile of the 1885 illustrated book by S. D. V. Burr.
Details significant construction events from 500 BC to 2000 AD. Provided bt the American Society of Civil Engineers.
Extensive illustrated article by Dan Hughes, with appendix by Hans J. Keller. Based on visits to the tunnel in 2000 and 2001.
Extensive ten chapter history of the construction. Topics include highs and lows, tunnelling methods, and a collapse in the tunnel. Opened in 1886.
Recreation /
Roads_and_Highways /
Historic
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