Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Tredegar Iron & Coal Co Ltd., plan
Tredegar Iron & Coal Co Ltd., plan of mineral taking showing McLaren, Pochin, Bedwellty, Tytrist and Whitworth Collieries, also Forge Drift, Darren Level and Kilmarnock Level (not dated) Scale : 6" to 1 mile
Pwnc
Diwydiant
Rhif yr Eitem
87.243I/146
Derbyniad
Collected officially, 31/12/1987
Mesuriadau
Meithder
(mm): 782
Lled
(mm): 682
Deunydd
paper (waxed)
Lleoliad
In store
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