Disgrifiad
Ink on film, measured plan of Dyffryn-Nedd Enclosure (SN91SW/18) produced as part of the Southern Uplands Survey by D. J. Percival 06.1985 (Ref Numbers: National Archaeological Survey 29)
Enw Casgliad
SUS - Southern Upland Surveys
Cychwynnwr
David J. Percival, RCAHMW
