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OverviewPlease note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Henryton Tunnel, located near Henryton in southern Carroll County, Maryland, is the third-oldest tunnel in the world that remains in active railroad use. Constructed by the Baltimore and Ohio Railroad and opened around 1850, it was the first tunnel constructed on the B&O's Old Main Line. In 1865 the tunnel was widened to accommodate double track. It was rebuilt into its current form in 1903. The tunnel has brick portals and lining. Full Product DetailsAuthor: Christabel Donatienne RubyPublisher: Fidel Imprint: Fidel Dimensions: Width: 15.20cm , Height: 0.50cm , Length: 22.90cm Weight: 0.136kg ISBN: 9786138077923ISBN 10: 613807792 Pages: 84 Publication Date: 28 October 2011 Audience: General/trade , General Format: Paperback Publisher's Status: Unknown Availability: Not yet available  This item is yet to be released. You can pre-order this item and we will dispatch it to you upon its release. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |
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