Here it is, Reinhart tunnel, 617′ long and with a 1924 refacing. It’s just across a trestle over Hwy 63 from Perkins tunnel. It centers at 37.157979, -82.372536. When I checked this tunnel out on Google Earth, I noticed that there’s an obvious track of the tunnel in the overburden. That was the first time I’d noticed that, but it happens with nearly all tunnels, unless the overburden is quite thick.