NPRNTeitlMath O SafleArchifauDelweddauNPRN33854TeitlFrongoch Lead Mine Vaghan's Old Shaft Boiler PlantMath O SafleMWYNGLAWDD PLWMArchifau23Delweddau0NPRN33851TeitlFrongoch Lead Mine Engine House (I)Math O SaflePEIRIANDYArchifau12Delweddau0NPRN300752TeitlEsgair Mwyn Lead Mine (South West), Mine Workings ComplexMath O SafleGWAITH PLWMArchifau24Delweddau20NPRN33837TeitlEsgair Fraith MineMath O SafleMWYNGLAWDDArchifau35Delweddau11NPRN33838TeitlEsgair Hir Lead MineMath O SafleMWYNGLAWDD PLWMArchifau69Delweddau25NPRN33847TeitlFrongoch Lead Mine Capstan PitMath O SafleCAPSTANArchifau4Delweddau0NPRN402594TeitlBarracks, Esgair Hir Mine, S of Banc BwlchygarregMath O SafleADEILAD DIWYDIANNOLArchifau10Delweddau5NPRN33855TeitlFrongoch Lead Mine Llwynynwch ShaftMath O SafleSIAFFTArchifau4Delweddau0
