What is this?
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The photos below are of the Kingwood Tunnel built by the B & O, America's most important east-west line during the Civil War.. The abandoned original tunnel to the left was, at the time of its construction in 1852, the longest tunnel in at least the United States at just over 4,100 feet.
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![[linked image]](http://i53.photobucket.com/albums/g55/Magarak/Grafton%20Tunnelton/100_0079.jpg)
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![[linked image]](http://i53.photobucket.com/albums/g55/Magarak/Grafton%20Tunnelton/100_0082.jpg)
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