©
Comisiwn Brenhinol - Royal Commission: GPS Survey, Old Coal Pits, Blaenavon 2005
©
Comisiwn Brenhinol - Royal Commission: GPS survey at Old Coal Pits Blaenavon 2005
©
Comisiwn Brenhinol - Royal Commission: GPS Survey at Old Coal Pits Blaenavon 2005