Disgrifiad
Ink on film measured sketch plan of Nant Gwythwch Settlement and Field System produced as part of the Southern Upland Surveys by D. J. Percival and B. A. Malaws on 02. 07. 1986 (Ref Numbers SN61NE/3; National Archaeological Survey 46)
Enw Casgliad
SUS - Southern Upland Surveys
Cychwynnwr
Mr Brian A. Malaws, David J. Percival, RCAHMW