Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Miers-V-Miers, plan
Plan showing extent of minerals worked from Onllwyn and Maes Marchog Colliery properties, 1883 Scale : 8 chains to 1 inch
Pwnc
Diwydiant
Rhif yr Eitem
87.243I/104
Historical Associations
Association Type: Colliery
Dyddiad: 1883
Lle: Onllwyn No.1 Colliery
Association Type: Colliery
Lle: Maes Marchog Colliery
Derbyniad
collected officially, 31/12/1987
Mesuriadau
Meithder
(mm): 554
Deunydd
papur
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.