No. 1 Area. Clydach Merthyr Colliery. Swansea Four Feet, Graigola and Maesmelyn Seams (1782) Mar 1956
This material is held atWest Glamorgan Archive Service
- Reference
- GB 216 D/D PRO/NCB/6/125
- Dates of Creation
- Mar 1956
- Language of Material
- English
- Physical Description
- 1 file