![Tregarth / Bethesda / Gwynedd / Nant Ffrancon Pass / Llandygai / Dyffryn Ogwen / Arfon / Penrhyn Quarry / Aberdaron / Slate industry in Wales / Gwynedd / Counties of Wales / Geography of Wales Tregarth / Bethesda / Gwynedd / Nant Ffrancon Pass / Llandygai / Dyffryn Ogwen / Arfon / Penrhyn Quarry / Aberdaron / Slate industry in Wales / Gwynedd / Counties of Wales / Geography of Wales](https://www.pdfsearch.io/img/fae0b9b92baeb7f6ede08d99d9efe100.jpg) Date: 2010-03-03 09:22:24Tregarth Bethesda Gwynedd Nant Ffrancon Pass Llandygai Dyffryn Ogwen Arfon Penrhyn Quarry Aberdaron Slate industry in Wales Gwynedd Counties of Wales Geography of Wales | | BRO OGWEN Bu cloddio am lechi yn Nyffryn Ogwen ers yr Oesoedd Canol. Daeth y chwyldro mawr yn ystod y 18ed Ganrif wrth i’r Arglwydd Penrhyn uno’r mân chwareli ac adeiladu’r dramffordd i Borth Penrhyn ger Bangor.Add to Reading ListSource URL: www.visitsnowdonia.infoDownload Document from Source Website File Size: 567,26 KBShare Document on Facebook
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