Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
St. John's Colliery, report
Full title - 'National Coal Board. West Wales Area. St. John's Colliery.' Report containing details of the history and geological structure of the colliery, specifications of the downcast and upcast shafts, and data relating to manpower and output. Two pages.
Pwnc
Diwydiant
Rhif yr Eitem
2017.38/388
Mesuriadau
Meithder
(mm): 330
Lled
(mm): 204
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.