Archif6533960Teitl89_387_0123 - Ordnance Survey Vertical Aerial Photography CollectionLefelItemDisgrifiadBlack and white aerial photograph of Merthyr Mawr, taken by the Ordnance Survey on 20th July 1989 at an altitude of 7,900 feet. Grid reference SS8875. Print enlargement (c. 20") taken from 9" film roll.CyfrwngPhoto.Delweddaun
Archif6510215TeitlBWGG_1_125 - Buildings of Wales Glamorgan and Gwent Publications ArchiveLefelSub-groupDisgrifiadMerthyr Mawr: hand-written notes with references from various sources on St Teilo's Church and reference to a planned school.Cyfrwng1 envelope. Text.Delweddaun
Archif6539235TeitlCLBN_GL - Cadw Listed Buildings 35mm Colour Negative CollectionLefelSub-groupDisgrifiadColour negatives showing buildings in the community of Merthyr Mawr, taken by Cadw during their listed building resurvey programme.Cyfrwng11 negative sheets. Photo.Delweddaun
Archif6348790TeitlCNJ11_04 - C.N. Johns CollectionLefelBatchDisgrifiadFile of field notes relating to 'Glamorgan North', pertaining to the Glamorgan Inventories.Cyfrwng1 file. Text.Delweddaun
Archif6533959Teitl84_140_0026 - Ordnance Survey Vertical Aerial Photography CollectionLefelItemDisgrifiadBlack and white aerial photograph of Merthyr Mawr, taken by the Ordnance Survey on 30th May 1984 at an altitude of 8,000 feet. Grid reference SS8877. Print enlargement (c. 20") taken from 9" film roll.CyfrwngPhoto.Delweddaun