Rhif Archif
6184182
Disgrifiad
Gwern Leyshon Barn, Llanfedw; brief note and measured plan produced by Howard Thomas and Matthew Griffiths, 1983.
Enw Casgliad
NMR Site Files
Cyfrwng
Text, Graphic.
Cychwynnwr
Dr Matthew Griffiths, Howard J. Thomas, RCAHMW
Dyddiad
1983