Maen Offeren Slate Quarry Company Limited,
- BD3/4.
- Sub-series
- 1906-1957.
Annual reports of the Maen Offeren Quarry Company, 1906-1957.
Maen Offeren Slate Quarry Company (Blaenau Ffestiniog, Wales)
Maen Offeren Slate Quarry Company Limited,
Annual reports of the Maen Offeren Quarry Company, 1906-1957.
Maen Offeren Slate Quarry Company (Blaenau Ffestiniog, Wales)