Cwmorthin Slate Quarry

Sectors:

  • Extraction Slate extraction

Notes:

Traced origins to 1810 by Casson family. Closed 1830 and reopened 1840 and worked until 1860 by W B Chorley who had London connections. 1861 Cwmorthin Slate Co established and output grew rapidly aided by a connection to Ffestiniog Railway. !876 reorganised. 1889 freehold and assets acquired by New Welsh Slate Co Ltd which closed 1902. Acquired by Oakeley Slate Quarries Co Ltd

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