Archif6067289TeitlNMR Site FilesLefelItemDisgrifiadFoel Tower, Garreg Ddu Reservoir, Radnorshire; undated black and white postcard.CyfrwngPhoto.Delweddaun
Archif6050975TeitlNMR Site FilesLefelBatchDisgrifiadGarreg Ddu Reservoir Tower, Rhayader; photo survey comprising two b&w photographs taken by Iain Wright, 4th November 2003CyfrwngPhoto.Delweddaun
Archif6154667TeitlDS2005_061 - Investigators' Digital PhotographyLefelBatchDisgrifiadColour digital photographic survey of Elan Aqueduct: Foel Valve Tower; Garreg-Ddu Reservoir Tower, Foel Tunnel, comprising 4 images, by Stephen Hughes, 07/05/2004.CyfrwngPhoto.Delweddaun
Archif6261654Teitl2003_0191_2 - NMR Site FilesLefelItemDisgrifiadValve tower from N.CyfrwngPhoto.Delweddaun
Archif6308320TeitlDS2005_061_004 - Investigators' Digital PhotographyLefelItemDisgrifiadSetting of the valve tower from the southCyfrwngPhoto.Delweddauy
Archif6535603TeitlAWP_351_02_02_29 - Archaeology Wales Project ArchivesLefelItemDisgrifiadFoel Valve Tower, looking north-west. Photographed as part of Archaeological Desk Based Assessment of Afon Claerwen, Elan Valley, Rhayader, Powys. Assessment conducted by Archaeology Wales in 2018. Report no. 1681. Project no. 2573.CyfrwngPhoto.Delweddauy
Archif6535601TeitlAWP_351_02_02_27 - Archaeology Wales Project ArchivesLefelItemDisgrifiadCarreg Ddu viaduct and Foel Valve Tower, looking north-east. Photographed as part of Archaeological Desk Based Assessment of Afon Claerwen, Elan Valley, Rhayader, Powys. Assessment conducted by Archaeology Wales in 2018. Report no. 1681. Project no. 2573.CyfrwngPhoto.Delweddauy
Archif6306995TeitlDS2005_061_001 - Investigators' Digital PhotographyLefelItemDisgrifiadValve tower from the Garreg-Ddu Viaduct in its setting.CyfrwngPhoto.Delweddauy
Archif6506742TeitlAP2018_065_001 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadGarreg-Ddu dam, reservoir and valve tower, Caban Coch reservoir and Nantgwyllt Church at Elan Valley. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 3rd June 2015.CyfrwngPhoto.Delweddauy
Archif6308319TeitlDS2005_061_003 - Investigators' Digital PhotographyLefelItemDisgrifiadClose up of the tower from the southCyfrwngPhoto.Delweddauy
Archif6506746TeitlAP2018_065_005 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadNantgwyllt church and Garreg-Ddu dam, valve tower and reservoir at the Elan Valley water scheme. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 3rd June 2015.CyfrwngPhoto.Delweddauy
Archif6506743TeitlAP2018_065_002 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadGarreg-Ddu dam, valve and reservoir and Coed-y-Foel pill boxes at the Elan Valley water scheme. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 3rd June 2015.CyfrwngPhoto.Delweddauy
Archif6308318TeitlDS2005_061_002 - Investigators' Digital PhotographyLefelItemDisgrifiadClose up of the tower from the northCyfrwngPhoto.Delweddauy
Archif6261653Teitl2003_0191_1 - NMR Site FilesLefelItemDisgrifiadValve tower from N.CyfrwngPhoto.Delweddaun
Archif6535600TeitlAWP_351_02_02_26 - Archaeology Wales Project ArchivesLefelItemDisgrifiadCarreg Ddu viaduct and Foel Valve Tower, looking north. Photographed as part of Archaeological Desk Based Assessment of Afon Claerwen, Elan Valley, Rhayader, Powys. Assessment conducted by Archaeology Wales in 2018. Report no. 1681. Project no. 2573.CyfrwngPhoto.Delweddauy
Archif6535604TeitlAWP_351_02_02_30 - Archaeology Wales Project ArchivesLefelItemDisgrifiadFoel Valve Tower, looking south-west. Photographed as part of Archaeological Desk Based Assessment of Afon Claerwen, Elan Valley, Rhayader, Powys. Assessment conducted by Archaeology Wales in 2018. Report no. 1681. Project no. 2573.CyfrwngPhoto.Delweddauy
Archif6506744TeitlAP2018_065_003 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadGarreg-Ddu dam, valve and reservoir and Coed-y-Foel pill boxes at the Elan Valley water scheme. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 3rd June 2015.CyfrwngPhoto.Delweddauy
Archif6496749TeitlDI2018_001_057 - RCAHMW Digitised RecordsLefelItemDisgrifiadDigital copy of an albumen print from Edward Hubbard Collection showing Garreg Ddu from the right bank looking upstream, taken May 1898.CyfrwngPhoto.Delweddauy
Archif6506747TeitlAP2018_065_006 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadNantgwyllt church and Garreg-Ddu dam, valve tower and reservoir at the Elan Valley water scheme. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 3rd June 2015.CyfrwngPhoto.Delweddauy
