Aberllefenni slate quarry 2015
Aberllefenni slate quarry
Aberllefenni slate quarry 2007
Bell house quarry office at Aberllefenni slate...
Aberllefenni slate quarry 2009
Ray Gunn at Aberllefenni slate quarry 2009
Julia Gunn at Aberllefenni slate quarry 2009
Incline at Aberllefenni slate quarry 2009
Buildings at Aberllefenni slate quarry 2009
Upper set of Cantilever slate steps