Photocopied 1974, The Book Of The Great Railway Celebrations Of 1857, William Prescott Smith, New York, D. Appleton & Co., 1857 Drawing Showing The Eastern End Of The Kingwood Tunnel
The Kingwood tunnel was the major tunnel on the B&O mainline between Baltimore and Wheeling. Its construction involved the invention of new tunneling techniques and the use of prefabricated iron arch segments. It was the longest tunnel in America in 1852.
Photo taken by Historic American Engineering Record
View photos at Library of Congress
BH Photo #119204