Far removed from dragging beets and Tank Trains over Tehachapi, a pair of former SP units trundle along at 10 MPH bringing 60 stone empties back to Columbus, OH on Genesee & Wyoming's Indiana & Ohio. Until these limestone trains from the quarry at Melvin, OH to a transload facility at Logan, OH started running this fall, the former C&O/Hocking Valley line hasn't seen six-axle units since Baldwin AS-616's in the 1960's.