Tiny workings.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Tap Ddu
Slate Quarry
Worked from mid 1870s
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Corris | |
| 52.665709, -3.8720076 | |
| SH 7350 0920 | |
| Private Land | |
| 270m | |
| #1,701 |
Cwm Dylluan - 582m- Ty'n y Berth - 630m
- Pen y Garreg - 700m
- Tyn y Ceunant - 858m
- Abercwmeiddaw - 1,101m
- Mynydd Tyn y Ceunant - 1,141m
- Gaewern - 1,163m
- Dolffanog - 1,340m
- Afon Deri - 1,651m
- Braich Goch - 1,905m
- Abercorris - 1,918m
- Abercorris (trial) - 1,967m