Archif6513695TeitlCSAM_MM_99_07 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Merionethshire carried out by M.A. Mason, 1999CyfrwngTwo sheets. Photo.Delweddaun
Archif6513797TeitlCSAM_MM_2004_09 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Caernarfonshire and Merionethshire carried out by M.A. Mason, 2004.CyfrwngTwo sheets. Photo.Delweddaun
Archif6513716TeitlCSAM_MM_99_11 - Cadw Scheduled Ancient Monument 35mm NegativesLefelSub-groupDisgrifiadColour photo surveys of scheduled ancient monuments in Merionethshire carried out by M.A. Mason, 1999CyfrwngTwo sheets. Photo.Delweddaun
Archif6518301TeitlCAM001-01-3666-01 - Cadw Registered Files CollectionLefelSub-groupDisgrifiadClosed registered file, ref. no. CAM001-01-3666-01, transferred from Cadw, concerning Settlements and Field Systems above Egryn Abbey, Dyffryn Ardudwy.CyfrwngCartographic, Text.Delweddaun
