NPRNTeitlMath O SafleArchifauDelweddauNPRN85859TeitlPwll-Du Limestone QuarriesMath O SafleCHWAREL CARREG GALCHArchifau23Delweddau10NPRN276001TeitlClydach RailroadMath O SafleTRAMFFORDDArchifau20Delweddau4NPRN260729TeitlDyne Steel's Incline, Bank N ofMath O SafleGWRTHGLAWDDArchifau1Delweddau0NPRN96067TeitlPwll Du Landscape, BlaenavonMath O SafleSAFLE DIWYDIANNOLArchifau32Delweddau7NPRN260678TeitlHill's Tramroad Between Pwll Du and Tyla QuarriesMath O SafleTRAMFFORDDArchifau7Delweddau1NPRN91617TeitlBlaenavon RailroadMath O SafleRHEILFFORDDArchifau16Delweddau0NPRN91607TeitlTyla West Quarry, Gilwern Hill, ClydachMath O SafleCHWARELArchifau13Delweddau5
