Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Report
National Coal Board Scientific Department South Wales Area Seam Analysis Report for Blaenavon Colliery. Dated February 1980. Black print on three sheets of white paper. Stapled top left.
Pwnc
Diwydiant
Rhif yr Eitem
2009.99/5
Mesuriadau
Meithder
(mm): 297
Lled
(mm): 211
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.