Here's one for the Alco fans! An RSD-12, two RSD-4s and a single RSD-5 shove a long train of coal empties up the steep Wattis Branch the morning of Sept. 3, 1978. The 600 is a former Chesapeake & Ohio unit, built new by Alco in April 1956. It was scrapped at Industrial Salvage & Metals in Salt Lake City in Jan. 1984.