NPRNTitleType Of SiteArchivesImagesNPRN85999TitleDowlais Free Drainage System, LeatType Of SiteLEATArchives4Images0NPRN88051TitleSarn Howell Pond (Dowlais Free Drainage System) and Watercourses, Ffos y FranType Of SiteRESERVOIRArchives11Images5NPRN85998TitleDowlais Free Drainage System, ReservoirType Of SiteRESERVOIRArchives4Images0NPRN88069TitleDowlais Free Drainage System, ConduitType Of SiteCONDUITArchives4Images0
