NCB West Ayr Area 0-4-0ST No 21 in around 1965. This is taken on the Waterside system in the loop just prior to Minnievey Colliery. The Chalmerston Colliery bing (spoil heap) can be seen on the top of the hill, just above the "tender," which helps confirm the location.

Photo: W.J. Verden Anderson/Keith Verden-Anderson