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Johnson, J.W. Jr. (February 2, 2010). "Tube Closed Until October". The Intelligencer & Wheeling News Register. Archived from the original on July 23, 2011. Retrieved January 24, 2011.
Spencer-Smith, Susan (April 10, 1988). "Old And New In West Virginia Wheeling Pegs Its Future To A Remarkable Supply Of Victorian-Style Buildings". The Philadelphia Inquirer. ProQuest286242511.
Staff (June 26, 2010). "Answer Tunnel Cost Questions". The Intelligencer & Wheeling News Register. Archived from the original on March 12, 2016. Retrieved January 24, 2011.
West Virginia Department of Transportation (2012). I-70: Ohio to Pennsylvania(PDF) (Map). Scale not given. Charleston: West Virginia Department of Transportation. Archived from the original(PDF) on December 17, 2013. Retrieved December 12, 2013.
Johnson, J.W. Jr. (February 2, 2010). "Tube Closed Until October". The Intelligencer & Wheeling News Register. Archived from the original on July 23, 2011. Retrieved January 24, 2011.
Staff (June 26, 2010). "Answer Tunnel Cost Questions". The Intelligencer & Wheeling News Register. Archived from the original on March 12, 2016. Retrieved January 24, 2011.
West Virginia Department of Transportation (2012). I-70: Ohio to Pennsylvania(PDF) (Map). Scale not given. Charleston: West Virginia Department of Transportation. Archived from the original(PDF) on December 17, 2013. Retrieved December 12, 2013.
West Virginia Department of Transportation (January 1, 2011). General Highway Map: Ohio County, West Virginia(PDF) (Map). 1:63,360. West Virginia County Maps. Charleston: West Virginia Department of Transportation. §§ C3-E3. Retrieved December 20, 2013.