NCB Graig Merthyr Colliery 4.7.1970

This interesting trip on an NCB 'paddy train' was part of the Branch Line Society's 'West Wales Railtour' on 4th July 1970. Most of the morning was occupied in getting to Graig Merthyr Colliery and back, and the tour then continued to Fishguard Harbour, Trecwn, Waterston and Herbrandston