NPRNTitleType Of SiteArchivesImagesNPRN308242TitleFfos y Fran Ironstone Workers SettlementType Of SiteSETTLEMENTArchives19Images12NPRN303701TitleGyrnos Tramroad;Gurnos Tramroad, Merthyr TydfilType Of SiteTRAMWAYArchives22Images3NPRN85999TitleDowlais Free Drainage System, LeatType Of SiteLEATArchives4Images0NPRN301356TitleCaermead Roman Villa ;Llantwit Major Roman VillaType Of SiteVILLAArchives145Images40NPRN406786TitleGyrnos Quarry Leat: Gurnos Quarry Leat, Merthyr TydfilType Of SiteLEATArchives14Images1NPRN88051TitleSarn Howell Pond (Dowlais Free Drainage System) and Watercourses, Ffos y FranType Of SiteRESERVOIRArchives11Images5NPRN85998TitleDowlais Free Drainage System, ReservoirType Of SiteRESERVOIRArchives4Images0NPRN275885TitleDeserted Iron Mining Village, Ffos-y-FranType Of SiteINDUSTRIAL SITEArchives21Images13NPRN305611TitleLlan-Elen;LlanelenType Of SiteCHAPELArchives20Images2NPRN307745TitleLle'r Gaer;Cwm Llwyd, Defended EnclosureType Of SiteDEFENDED ENCLOSUREArchives13Images4NPRN88069TitleDowlais Free Drainage System, ConduitType Of SiteCONDUITArchives4Images0