My coal country-obsessed buddy recently journeyed to the area around Welch WV. He found and photographed a couple of tunnels on the N&S lines through there. The first one is:
(Photo courtesy of Lee Stone)
The east face of the West Vivian tunnel at Kimball WV.
The tunnel is centered at (Google Earth entry form) 36 25 28.03N, 81 30 30.09W.