A picture that could have been taken at any time in the first part of the twentieth century, but was in fact taken as late as 6 September 1974. This view of the National Coal Board's Mountain Ash Colliery shed shows the general grime and filth of the coal mining industry. Peckett 0-6-0ST 1859 Sir Gomer is in steam, but judging by the coal covering the track on the right, Barclay 0-6-0ST 2074 Llantarnam Abbey hasn't moved for a while.