Archif6471040TeitlAP_2012_0048 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Cwmorthin slate quarry, view from east. Taken by Toby Driver on 13/01/2012.CyfrwngPhoto.Delweddauy
Archif6471043TeitlAP_2012_0051 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Cwmorthin slate quarry. Taken by Toby Driver on 13/01/2012.CyfrwngPhoto.Delweddauy
Archif6471041TeitlAP_2012_0049 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Cwmorthin slate quarry, linear workings to east of quarry. Taken by Toby Driver on 13/01/2012.CyfrwngPhoto.Delweddauy
Archif6190898TeitlAP_2005_0554 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW digital colour oblique photograph of Cwmorthin Slate Quarry viewed from the north-west. Taken on 08/06/2005 by T.G. Driver.CyfrwngPhoto.Delweddauy
Archif6398883TeitlDS2013_416_007 - Investigators' Digital PhotographyLefelItemDisgrifiadView of Cwmorthin quarry from the northCyfrwngPhoto.Delweddauy
Archif6398289TeitlDS2013_416_001 - Investigators' Digital PhotographyLefelItemDisgrifiadDistant view of Cwmorthin and Wrysgan quarries from the northwestCyfrwngPhoto.Delweddauy
Archif6398881TeitlDS2013_416_005 - Investigators' Digital PhotographyLefelItemDisgrifiadView of Cwmorthin quarry from the northCyfrwngPhoto.Delweddauy
Archif6429465Teitl960272 - Investigators' PhotographsLefelItemDisgrifiadQuarry mill, SW end and SE elevation, Cwmorthin Slate Quarry.CyfrwngPhoto.Delweddaun
Archif6148583Teitl94_CS_1899 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.Delweddaun
Archif6148586Teitl945188_46 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.Delweddaun
Archif6074331TeitlNMR Site FilesLefelItemDisgrifiadPhotocopy of a letter to RCAHMW, concerning Cwmorthin Slate Quarry, Ffestiniog, MerionethCyfrwngGraphic.Delweddaun
Archif6221235TeitlF21_82_RAF_934_0026 - Royal Air Force Aerial Photography CollectionLefelItemDisgrifiadBlack and white vertical aerial photograph, taken by the RAF, showing Cwmorthin Slate Quarry, 195.CyfrwngPhoto.Delweddauy
Archif6398288TeitlDS2013_416 - Investigators' Digital PhotographyLefelBatchDisgrifiadDigital photographs of Cwmorthin QuarryCyfrwngSeven digital images. Photo.Delweddaun
Archif6429441Teitl960272 - Investigators' PhotographsLefelBatchDisgrifiadCwmorthin Slate Quarry complex: Photo survey comprising 6 B&W prints taken by S. R. Hughes, September 1996.Cyfrwng6 prints. Photo.Delweddaun
Archif6190897TeitlAP_2005_0556 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW digital colour oblique photograph of Cwmorthin Slate Quarry viewed from the east. Taken on 08/06/2005 by T.G. Driver.CyfrwngPhoto.Delweddauy
Archif6422141TeitlWMPT239 - Welsh Mines Preservation TrustLefelBatchDisgrifiadDigital photos of Cwmorthin Slate Quarry, with cover sheet.Cyfrwng51 images. Photo, Text.Delweddaun
Archif6355453TeitlAP_2007_3082 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique aerial photograph of Cwmorthin Slate Quarry, in a landscape view from the south. Taken on 06 September 2007 by Toby DriverCyfrwngPhoto.Delweddauy
Archif6355454TeitlAP_2007_3081 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique aerial photograph of Cwmorthin Slate Quarry, in a landscape view from the south. Taken on 06 September 2007 by Toby DriverCyfrwngPhoto.Delweddauy
Archif6471056TeitlAP_2012_0064 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Cwmorthin slate quarry, view from west. Taken by Toby Driver on 13/01/2012.CyfrwngPhoto.Delweddauy
Archif6469239TeitlAP_2011_3092 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Cwmorthin Slate Quarry, with digital frame error. Taken by Toby Driver on 20/07/2011.CyfrwngPhoto.Delweddauy
Archif6471042TeitlAP_2012_0050 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Cwmorthin slate quarry, linear workings to east of quarry. Taken by Toby Driver on 13/01/2012.CyfrwngPhoto.Delweddauy
Archif6398880TeitlDS2013_416_004 - Investigators' Digital PhotographyLefelItemDisgrifiadView of Cwmorthin and Wrysgan Quarries from the northCyfrwngPhoto.Delweddauy
Archif6398879TeitlDS2013_416_003 - Investigators' Digital PhotographyLefelItemDisgrifiadView of Cwmorthin and Wrysgan Quarries from the northCyfrwngPhoto.Delweddauy
Archif6398882TeitlDS2013_416_006 - Investigators' Digital PhotographyLefelItemDisgrifiadView of waste tips from Cwmorthin quarry in lakeCyfrwngPhoto.Delweddauy
Archif6429462Teitl960272 - Investigators' PhotographsLefelItemDisgrifiadQuarry terrace, N elevation, Llyn Cwmorthin in the foreground, Cwmorthin Slate Quarry.CyfrwngPhoto.Delweddaun
Archif6429464Teitl960272 - Investigators' PhotographsLefelItemDisgrifiadQuarry terrace, N elevation, Llyn Cwmorthin in the foreground, Cwmorthin Slate Quarry.CyfrwngPhoto.Delweddaun
Archif6148585Teitl945188_47 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.Delweddaun
Archif6148581Teitl94_CS_1896 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.Delweddaun
Archif6148587Teitl94_CS_1898 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.Delweddaun
Archif6148584Teitl945188_45 - RCAHMW Black and White Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW Black and white oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.Delweddaun
Archif6148582Teitl94_CS_1897 - RCAHMW Colour Oblique Aerial PhotographsLefelItemDisgrifiadRCAHMW colour slide oblique aerial photograph of Cwmorthin Quarry (slate), Ffestiniog, taken by C.R. Musson, 09/10/94CyfrwngPhoto.Delweddaun
Archif6190899TeitlAP_2005_0555 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW digital colour oblique photograph of Cwmorthin Slate Quarry viewed from the west. Taken on 08/06/2005 by T.G. Driver.CyfrwngPhoto.Delweddauy
Archif6398878TeitlDS2013_416_002 - Investigators' Digital PhotographyLefelItemDisgrifiadView of Cwmorthin and Wrysgan quarries from the northwestCyfrwngPhoto.Delweddauy
Archif6469230TeitlAP_2011_3082 - RCAHMW Colour Oblique Digital Aerial PhotographsLefelItemDisgrifiadRCAHMW colour oblique photograph of Cwmorthin Slate Quarry. Taken by Toby Driver on 20/07/2011.CyfrwngPhoto.Delweddauy
Archif6438784TeitlDMHC04_156 - Dr Michael Harrison CollectionLefelSub-groupDisgrifiadColour slides showing sites and buildings in Dr Harrison's classification "Slate - 10470".Cyfrwng20 slides. Photo.Delweddaun
