Alco S-1 #102 was a late arrival to the GBW roundhouse; the 600 horsepower locomotive was delivered in 1949 and was the final locomotive on the roster to have a traditional "switch engine" appearance.

After the GB&W acquired several Alco Century road engines in the late 1960s their fleet of RS-2s and RS-3s were moved to switch engine status and #102 was deemed excess property -- along with the other two switch engines that were left on the railroad.

Nekoosa-Edwards Paper Company was a willing purchaser of the engine to handle switching chores at its Port Edwards, Wis. paper mill.  records indicate that the engine was sold to the paper maker in June 1968, so this June 22, 1968 photo  must show the locomotive as it looked as it arrived on the property.

The engine was renumbered #12 and worked the paper mill until 1980 when it was sold to Cargill Corporation and worked the Mississippi River port of Buffalo, Iowa. The engine is believed to have been scrapped although the date of its demise in unknown.