Disgrifiad
Ink on film, measured multisite plan showing relationship of sites in the Upper Llia Valley, consisting of Rhyd Uchaf Cairn, Rhyd Uchaf Platform, Maen Llia Standing Stone and Llech-Llia Ring Barrow, produced as part of the Southern Uplands Survey by D.J. Percival on (Ref Numbers SN91NW/1,3,7,14; National Archaeological Survey 6)