Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Deep Navigation Colliery bunker, photograph
View underground at Deep Navigation Colliery, showing inside the bunker. This type of bunker has been designed to minimise the degredation of the coal unlike the old vertical bunkers. National Coal Board stamp on reverse.
Pwnc
Diwydiant
Rhif yr Eitem
1998.112/3
Mesuriadau
Meithder
(mm): 259
Lled
(mm): 306
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