Archive6067289TitleNMR Site FilesLevelItemDescriptionFoel Tower, Garreg Ddu Reservoir, Radnorshire; undated black and white postcard.MediumPhoto.Imagesn
Archive6050975TitleNMR Site FilesLevelBatchDescriptionGarreg Ddu Reservoir Tower, Rhayader; photo survey comprising two b&w photographs taken by Iain Wright, 4th November 2003MediumPhoto.Imagesn
Archive6154667TitleDS2005_061 - Investigators' Digital PhotographyLevelBatchDescriptionColour digital photographic survey of Elan Aqueduct: Foel Valve Tower; Garreg-Ddu Reservoir Tower, Foel Tunnel, comprising 4 images, by Stephen Hughes, 07/05/2004.MediumPhoto.Imagesn
Archive6261654Title2003_0191_2 - NMR Site FilesLevelItemDescriptionValve tower from N.MediumPhoto.Imagesn
Archive6308320TitleDS2005_061_004 - Investigators' Digital PhotographyLevelItemDescriptionSetting of the valve tower from the southMediumPhoto.Imagesy
Archive6535603TitleAWP_351_02_02_29 - Archaeology Wales Project ArchivesLevelItemDescriptionFoel 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.MediumPhoto.Imagesy
Archive6535601TitleAWP_351_02_02_27 - Archaeology Wales Project ArchivesLevelItemDescriptionCarreg 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.MediumPhoto.Imagesy
Archive6306995TitleDS2005_061_001 - Investigators' Digital PhotographyLevelItemDescriptionValve tower from the Garreg-Ddu Viaduct in its setting.MediumPhoto.Imagesy
Archive6506742TitleAP2018_065_001 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionGarreg-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.MediumPhoto.Imagesy
Archive6308319TitleDS2005_061_003 - Investigators' Digital PhotographyLevelItemDescriptionClose up of the tower from the southMediumPhoto.Imagesy
Archive6506746TitleAP2018_065_005 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionNantgwyllt 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.MediumPhoto.Imagesy
Archive6506743TitleAP2018_065_002 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionGarreg-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.MediumPhoto.Imagesy
Archive6308318TitleDS2005_061_002 - Investigators' Digital PhotographyLevelItemDescriptionClose up of the tower from the northMediumPhoto.Imagesy
Archive6261653Title2003_0191_1 - NMR Site FilesLevelItemDescriptionValve tower from N.MediumPhoto.Imagesn
Archive6535600TitleAWP_351_02_02_26 - Archaeology Wales Project ArchivesLevelItemDescriptionCarreg 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.MediumPhoto.Imagesy
Archive6535604TitleAWP_351_02_02_30 - Archaeology Wales Project ArchivesLevelItemDescriptionFoel 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.MediumPhoto.Imagesy
Archive6506744TitleAP2018_065_003 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionGarreg-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.MediumPhoto.Imagesy
Archive6496749TitleDI2018_001_057 - RCAHMW Digitised RecordsLevelItemDescriptionDigital copy of an albumen print from Edward Hubbard Collection showing Garreg Ddu from the right bank looking upstream, taken May 1898.MediumPhoto.Imagesy
Archive6506747TitleAP2018_065_006 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionNantgwyllt 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.MediumPhoto.Imagesy
