Llechwedd Slate Caverns
By: by Ivor Wynne Jones.
Contributors: Quarry Tours Limited.
Publisher: Quarry Tours Ltd
Published: 1976
Place of publication: Blaenau Ffestiniog (Llechwedd Slate Caverns, Blaenau Ffestiniog, Gwynedd LL41 3NB)
Language: eng
Number of pages: 25
Subjects: Llechwedd Slate Mines -- History.