Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Taff Merthyr Colliery, photograph
Section of coal face at Taff Merthyr Colliery, showing oblique of cleavage in the seam between the slips of coal. National Coal Board stamp on reverse.
Pwnc
Diwydiant
Rhif yr Eitem
64.322/1
Mesuriadau
Meithder
(mm): 247
Lled
(mm): 203
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