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Graig was historically referred to as 'Rhiw' (hill). The area is closely associated with coal mining and consists largely of terraced housing. Notable collieries within the area include - Gelli-whion (Gelliwion) Colliery, Newbridge Colliery (1844), Pen-y-rhiw (Penrhiw) Colliery (c1870) and Pontypridd Maritime Collieries (1841). Graig today is also home to the Dewi Sant Hospital.
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- "Taff-Ely Welsh District Council Election Results 1973-1991" (PDF). The Elections Centre (Plymouth University). Retrieved 15 April 2019.
- County Borough Council Elections 2017, Rhondda Cynon Taf County Borough Council. Retrieved 1 April 2018.
- Graig Ward, Pontypridd Town Council website. Retrieved 1 April 2018.