In 1887, John Bartholomew's Gazetteer of the British Isles described Penrhyn Slate Quarries like this:
Penrhyn Slate Quarries, Carnarvonshire, in 8. vicinity of Bethesda; the quarries are very extensive, giving employment to several thousand hands, and the slate is conveyed to Pert Penrhyn at Bangor.
Additional information about this locality is available for Bethesda
Penrhyn Slate Quarries through time
Penrhyn Slate Quarries is now part of Gwynedd district. Click here for graphs and data of how Gwynedd has changed over two centuries. For statistics about Penrhyn Slate Quarries itself, go to Units and Statistics.
GB Historical GIS / University of Portsmouth, History of Penrhyn Slate Quarries, in Gwynedd and Caernarvonshire | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/25772
Date accessed: 25th April 2024
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