English
Beta
Hygyrchedd
Hafan
Amdanom
Chwilio
Orielau
Map
Cymorth
Cysylltwch
Cofnod Archif
Canlyniadau
Safle Chwilio Uwch
Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
+ Ychwanegu Rhes
Chwilio
Ail Gychwyn
Annell-Gwenlais Leat System
GDBJ - Professor G. D. Barri Jones Collection
GDBJ11 - Professor G. D. Barri Jones Collection
GDBJ11_10 - Professor G. D. Barri Jones Collection
Manylion
Hierarchaeth
Safleoedd Cysylltiedig
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