Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
Rhif Archif
6363031
Disgrifiad
Black and white negatives, Resistivity Profile graphs, article extract, and reports relating to Dolaucothi, Rhandirmwyn, and Dolauhirion.
Cofnod Casglu
GDBJ - Professor G. D. Barri Jones Collection
Cyfrwng
1 file. Text, Photo, Graphic.
Cychwynnwr
Prof G.D.B. Jones
Dyddiad
1968 to 1992