NPRNTitleType Of SiteArchivesImagesNPRN417401TitleLlangynfelin Iron Age and Roman Lead Smelting Site; LlangynfelynType Of SiteLEAD WORKSArchives73Images3NPRN400848TitleLlangynfelin Timber Trackway, Borth BogType Of SiteTRACKWAYArchives121Images49