Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Great Mountain Colliery, plan
Copy plan of Big Vein workings, Great Mountain Colliery, Tumble. Scale 2 chains to an inch.
Pwnc
Diwydiant
Rhif yr Eitem
69.163/3
Derbyniad
Donation, 17/7/1969
Mesuriadau
Meithder
(mm): 2195
Lled
(mm): 1015
Techneg
dyeline
Deunydd
papur
Lleoliad
In store
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