NPRNTeitlMath O SafleArchifauDelweddauNPRN43154TeitlChepstow Road Bridge, Former A48, ChepstowMath O SaflePONT FFORDDArchifau31Delweddau12NPRN40101TeitlUpper Redbrook MillMath O SafleMELIN FLAWDArchifau4Delweddau2NPRN33709TeitlGwernllwynchwith Colliery Engine House, LlansamletMath O SaflePEIRIANDYArchifau20Delweddau2NPRN40661TeitlCilyrychen Lime Kilns; Lime Firms Ltd;Llandybie LimekilnsMath O SafleODYN GALCHArchifau23Delweddau7NPRN409691TeitlWarehouse, Porth PenrhynMath O SafleWARWSArchifau19Delweddau5NPRN34085TeitlDowlais Iron Company Stables;Dowlais Stables, Dowlais, Merthyr TydfilMath O SafleSTABLArchifau59Delweddau3NPRN34381TeitlPenrhyn BridgeMath O SaflePONTArchifau17Delweddau3NPRN34820TeitlLlwydcoed Tramroad: Afon Cynon Iron Bridge, AberdareMath O SaflePONT REILFFORDDArchifau43Delweddau5NPRN34103TeitlMiddle Bank Copperworks, SwanseaMath O SafleGWAITH COPRArchifau27Delweddau2NPRN34860TeitlPont-y-Cafnau, Merthyr TydfilMath O SaflePONTArchifau46Delweddau29NPRN34540TeitlTennant Canal: Red Jacket Pill Double OverbridgeMath O SaflePONTArchifau5Delweddau2NPRN420827TeitlTintern Station Signal Box, TinternMath O SafleBLWCH SIGNALAUArchifau2Delweddau1NPRN275868TeitlRemains of Blast Furnaces, Cyfarthfa IronworksMath O SafleFFWRNAIS CHWYTHArchifau38Delweddau28NPRN34847TeitlHirwaun Ironworks: Tramroad CausewayMath O SafleRHEILFFORDDArchifau15Delweddau1NPRN34406TeitlChirk Aqueduct, Llangollen Canal;Ellesmere Canal;Shropshire Union Canal, ChirkMath O SafleTRAPHONT DDŴRArchifau93Delweddau68NPRN34801TeitlJackson's Bridge, Dowlais Ironworks Tramroad, Merthyr TydfilMath O SaflePONT FFORDDArchifau6Delweddau2NPRN85098TeitlNeath Abbey Ironworks: Blast FurnacesMath O SafleFFWRNAISArchifau20Delweddau3NPRN43325TeitlUnion Ironworks Stables & Manager's HouseMath O SafleSTABLArchifau19Delweddau2NPRN518821TeitlBoy Harry, West Williamstone QuarryMath O SafleLLONGDDRYLLIADArchifau13Delweddau11NPRN401047TeitlCegin Viaduct, Penrhyn Railroad, Port PenrhynMath O SaflePONT REILFFORDDArchifau31Delweddau6NPRN1TeitlTreforest Tinplate Works, PontypriddMath O SafleGWAITH TUNPLATArchifau77Delweddau2NPRN33720TeitlScott's Pit Engine House, Llansamlet, SwanseaMath O SaflePEIRIANDYArchifau52Delweddau8NPRN308073TeitlTintern Railway Station, Tintern ParvaMath O SafleGORSAF REILFFORDDArchifau3Delweddau2NPRN34037TeitlYnyscedwyn Ironworks:Ynysgedwyn Ironworks, YstradgynlaisMath O SafleGWAITH HAEARNArchifau44Delweddau21NPRN34994TeitlRedbrook Incline OverbridgeMath O SaflePLÂN AR OLEDDArchifau19Delweddau8NPRN34135TeitlEbbw Vale Steelworks, Ebbw ValeMath O SafleGWAITH DURArchifau139Delweddau63NPRN34410TeitlPontcysyllte AqueductMath O SafleTRAPHONT DDŴRArchifau363Delweddau247NPRN688TeitlClydach Upper Forge HousesMath O SafleBWTHYN Y GWEITHIWRArchifau14Delweddau2NPRN275877TeitlTownshend's Great Leat & WaggonwayMath O SafleSAFLE DIWYDIANNOLArchifau23Delweddau3NPRN416743TeitlBrecon Forest Tramroad Nant Cnewr Fawr UnderbridgeMath O SaflePONT TRAMFFORDDArchifau7Delweddau3NPRN415137TeitlGlynneath Woollen MillMath O SafleMELIN WLÂNArchifau2Delweddau1NPRN704TeitlClydach Upper Forge Dam, ClydachMath O SafleARGAEArchifau5Delweddau2NPRN37602TeitlMaesgwyn Pleasure Boat HouseMath O SafleCWT Y CWCHArchifau14Delweddau1