http://pec.lib.wvu.edu/record/P21279undatedWest Virginia's oil, gas & Civil War heritage district.<p> Leaflet. Includes map.</p>Natural gas--West Virginia--History--Maps.Natural gas--West Virginia--History.Heritage tourism--West Virginia.Heritage tourism--West Virginia--Maps.West Virginia--History--Civil War, 1861-1865.Petroleum--West Virginia--History--Maps.Petroleum--West Virginia--History.14256