Gallt-y-Llan slate quarry, Nant Peris. Oblique aerial photograph taken during the Royal Commission's programme of archaeological aerial reconnaissance by Toby Driver on 2nd October 2015.Opsiynau lawrlwytho a prynu
NPRNTeitlMath O SafleArchifauDelweddauNPRN419098TeitlGallt-y-Llan Slate QuarryMath O SafleCHWAREL LECHIArchifau3Delweddau2