Archif6065858TeitlNMR Site FilesLefelItemDisgrifiadA typed descriptive account with a pencil sketch plan of Frongoch mine capstan pitCyfrwngGraphic, Text.Delweddaun
Archif6511190TeitlCSAM_HBB_2007_13 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Ceredigion and Carmarthenshire carried out by Helen Burnham, 2007.CyfrwngTwo sheets. Photo.Delweddaun
Archif6508230TeitlDGT_08_2 - Tucker CollectionLefelBatchDisgrifiadOne sheet of colour slides showing Esgair Fraith Mine, Esgair Hir Mine, Esgair Mwyn Mine, Frongoch Mine and Graig Goch Mine.CyfrwngPhoto.Delweddaun
Archif6510856TeitlCSAM_HBB_2000_08 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Ceredigion carried out by Helen Burnham, 2000.CyfrwngOne sheet. Photo.Delweddaun