Slate Museum, Llechwedd Slate Caverns, Talywaenydd, Blaenau Ffestiniog, Gwynedd, LL41 3NB
Rhyddhau amod 8 (cyflwyno manylion lleoliad blychod adar ac ystlumod) ar ganiatâd Cynllunio C23/0329/03/LL Discharge condition 8 (submit details of location of bird and bat boxes) on Planning permission C23/0329/03/LL