Report by Arthur Lawrence, mining engineer, Charles Street, Cardiff, on Cefn Celfi minerals including Cwmnantllwyd Colliery and Primrose Colliery
Attached plan. Scale 2 chains = 1 inch.
Report by Arthur Lawrence, mining engineer, Charles Street, Cardiff, on Cefn Celfi minerals including Cwmnantllwyd Colliery and Primrose Colliery
Attached plan. Scale 2 chains = 1 inch.