Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Geology of coal mining area of Gwendraeth Valley
Full title - The Geology of the Coal Mining Area of the Upper Gwendraeth Valley (Anthracite). 52 pages. Photocopy of handwritten manuscript in brown card folder with title printed on front.
Pwnc
Diwydiant
Rhif yr Eitem
1993.239
Mesuriadau
Meithder
(mm): 348
Lled
(mm): 225
Dosbarth
company historyNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.