Ratgoed Quarry
United Kingdom
Ratgoed quarry (also known as Alltgoed quarry) was the northernmost of the slate quarries served by the Corris Railway. It is one mile north of Aberllefenni in Gwynedd, Mid Wales, on the western side of Mynydd Llwydiarth. The quarry primarily worked the Narrow Vein, though it also produced some Broad Vein slates.
Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).