http://pec.lib.wvu.edu/record/P1975undatedBuilding the first 330,000 volt transmission line. Pamphlet. A pictorial history of the research and construction of the first portion of a super-high-voltage transmission system, "extending from the Philip Sporn 600,000-kilowatt steam-electric generating plant to the 400,000-kilowatt steam-electric plant known as the Kanawha River Plant. Includes map. Appalachian Electric Power Company.Electric lines--Appalachian Region.14256