Disgrifiad
Black and white photograph showing aerial view of Cwm Nant Gam, 1.5 miles east of Brynmawr. Photographed by Fairey Surveys Ltd for the National Coal Board on 27th March 1968. Grid Reference: SO2012
Cofnod Casglu
6764 - Swansea to Abergavenny Electricity Transmission Line Collection
Cychwynnwr
Fairey Surveys Ltd, National Coal Board
