NPRNTitleType Of SiteRelationNPRN33711TitleGreat Western Colliery: Hetty Pit Winder House and Headframe, Pontypridd; Ty Mawr CollieryType Of Siten/aRelationConsists ofNPRN301542TitleGreat Western Colliery: Hetty Pit Fan House and Drift, PontypriddType Of Siten/aRelationConsists ofNPRN407677TitleGyfeillion Colliery;Great Western Colliery and Coke Works, PontypriddType Of Siten/aRelationPart of
