Disgrifiad
Report entitled "Pwll Ddu Tunnel, Blaenavon. Archaeological Watching Brief" prepared by Dr Amelia Pannett of Archaeology Wales for Torfaen Borough Council. Report No 1227, May 2014.
Enw Casgliad
AWP - Archaeology Wales Project Archives
Cyfrwng
Cartographic, Graphic, Photo, Text.
Cychwynnwr
Archaeology Wales Ltd.
