On the third day of 1986, a Seaboard System coal train behind three spiffy-looking SD50s rolls by the Norfolk Southern (ex-Southern) Frisco yard office (Frisco, TN) and toward the connecting track just 150 feet ahead that will take it down to the former Clinchfield main line---and then on to Erwin. At the time the Appalachia District main was still train order-timetable operation, so the three-light TO signal can be seen peaking above the lead unit. In fact, this particular train had operated from Appalachia (the bridge at Big Stone Gap wasn't finished yet) as scheduled NS number 90. Frisco was a 24-7 operation then, with an operator on all three shifts, and two clerks and an agent working the first shift. Today----it's just office space for signal and maintenance of way crews plus a crew room for the Frisco-based locals.