Braichgoch Slate Quarry Co. Ltd., Corris Records

Scope and Content

Records of Braich Goch Slate Quarry Company Ltd, 1877-1906, comprising balance sheets, 1877-1906; account books, 1891-1906; and correspondence, 1905-1906.

Administrative / Biographical History

Braichgoch Slate Quarry, an underground quarry, was the largest and oldest quarry in Corris, Merionethshire. It had been mined since 1787. The Braich Goch Slate Quarry Company was formed in 1864. In 1878, the quarry employed 250 men and produced 7,000 tons of slab and roofing slate. In 1906, the company collapsed. The site was purchased by Dewi and Gwilym Lloyd of Aberllefenni in 1962, and operated until 1970.


Arranged into the following: balance sheets; account books; and correspondence.

Access Information

No restrictions.


Compiled by Seri Crawley for the ANW project. The following sources were used in the compilation of this description: Meirionnydd Archives, Miscellaneous Collection (Dolgellau), Braichgoch Slate Quarry Co. Ltd., Corris Records; Richards, Alun John, Slate quarrying in Wales (Llanrwst, 1995); Richards, Alun John, A Gazeteer of the Welsh Slate Industry (Llanrwst, 1991); King Arthur's Labyrinth ( viewed 5th November 2004.

Other Finding Aids

Hard copies of the catalogue are available at Meirionnydd Archives, the National Register of Archives and the National Library of Wales. The catalogue is available online.

Conditions Governing Use

Usual copyright laws apply,

Appraisal Information

All records deposited at Meirionnydd Archives have been retained

Custodial History

The company papers came into the possession of the Lancashire County Archivist.


Accruals are not expected.

Geographical Names