Archif6508263Teitl6764_010_509 - Swansea to Abergavenny Electricity Transmission Line CollectionLefelItemDisgrifiadBlack and white photograph showing aerial view of Cwm Glo Mine. Photographed by Fairey Surveys Ltd for the National Coal Board on 27th March 1968. Grid Reference: SO0304CyfrwngDelweddaun
