Disgrifiad
Aerial photographs of a ring-shaped cropmark in a field south east of Ynysmaengwyn caravan park, Tywyn. The photographs were taken by Glyn Davies and Jonathan Brentnall on 17th July 2019, under drought conditions.
Cofnod Casglu
BDC - Davies and Brentnall Collection
Cychwynnwr
Mr Jonathan Brentnall, RCAHMW, Mr Glyn Davies
