Archive6513055TitleAP2018_537_002 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionYnys Gron granite quarry and the town of Porthmadog. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.MediumPhoto.Imagesy
Archive6190831TitleAP_2005_0584 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionRCAHMW digital colour oblique photograph of Ynys Gron Granite Quarry. Taken on 08/06/2005 by T.G. Driver.MediumPhoto.Imagesy
Archive6462818TitleAP_2010_2363 - RCAHMW Colour Oblique Digital Aerial PhotographsLevelItemDescriptionRCAHMW colour oblique photograph of Garth (Ynys Gron) granite quarry. Taken by Toby Driver on 16/06/2010.MediumPhoto.Imagesy
