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Chicago Tunnel Company - http://users.ameritech.net/chicagotunnel/tunnel1.html
Illustrated history of the freight tunnels below the streets of downtown Chicago. Opened in 1906. |
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The Tunnel of Samos - http://pr.caltech.edu/periodicals/EandS/articles/LXVII1/samos.html
Illustrated scholarly essay which discusses the theories about the methods of construction of this ancient water tunnel built in the sixth century B.C.. By Tom M. Apostol. |
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The Tunnel of Eupalinos - http://homepages.cwi.nl/~aeb/math/samos/
Extensive illustrated article by Dan Hughes, with appendix by Hans J. Keller. Based on visits to the tunnel in 2000 and 2001. |
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Standedge Tunnel - http://www.penninewaterways.co.uk/huddersfield/standedge1.htm
Construction history, restoration details and photo gallery of the longest, highest and deepest canal tunnel in Britain. First opened in 1811. |
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How the Swiss Built the Greatest Tunnel in the World - http://www.fordham.edu/halsall/mod/1905simplon.html
Short contemporary commentary by Francis Fox about the construction of the Simplon tunnel through the Alps completed in 1905. |
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Hoosac Tunnel - http://www.catskillarchive.com/rrextra/htpage.Html
Completed in 1875, the first tunnel in the US to use compressed air for drilling. Includes specifications, contemporary articles, and photographs. |
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The Mount Cenis Railway and Tunnel - http://www.catskillarchive.com/rrextra/mrcenis.Html
Facsimile of illustrated article from Harpers magazine dated July 1871. Describes the operations of the first machine drill for tunnelling construction. |
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St. Clair Tunnel Company - http://www.trainweb.org/elso/stclair.htm
Opened in 1891, running under the St. Clair River, which joins Lake Huron to Lake St. Clair. Includes short history, photographs, and references. |
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A General Report Upon the Initiation and Construction of the Tunnel Under the East River, New York - http://www.tmk.com/books/eastriver/index.shtml
Facsimile of the 1894 book by Charles M. Jacobs. |
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Railway Tunnels Under the Hudson River - http://www.catskillarchive.com/rrextra/tuhud1.Html
Illustrated article from the Scientific American published in 1891. Discusses the resumption of construction works. |
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The Hoosac Tunnel - http://hoosac.franklinsites.com/index.php
Comprehensive range of commentary, data, history and construction images. |
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Sutro Tunnel - http://quod.lib.umich.edu/cgi/t/text/text-idx?c=moa;idno=AGM9155
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. |
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Bridge and Tunnel Centres - http://quod.lib.umich.edu/cgi/t/text/text-idx?c=moa;idno=AJS2234
Full text of this 1875 book by John B. McMaster. |
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Report of the Superintendent of the Sutro Tunnel Company - http://quod.lib.umich.edu/cgi/t/text/text-idx?c=moa;idno=AEL2139
Full text of this document providing detailed reports from the heads of department for the year ending 1873. |
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Sutro Tunnel - http://quod.lib.umich.edu/cgi/t/text/text-idx?c=moa;idno=AEL2141
Facsimile of the 1872 report of the commissioners and evidence taken by the committee on mines and mining of the House of representatives. |