Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Caernarvonshire
Ordnance Survey map (photocopy) Sheet SH 55, (1953) Nantle : Alexandra Slate Quarry, Braich Slate Quarry, Fron Slate Quarry, Moel Tryfan Slate quarries, Pen y Bryn Slate Quarries, Pen yr Orsedd Slate Quarries, Drws y Coed Copper Mine, Beddgelert, Glenrafon Slate Quarries Scale - 1:25000
Pwnc
Diwydiant
Rhif yr Eitem
88.86I/7 (25)
Historical Associations
Association Type: Slate quarries
Lle: Braichgoch slate quarry
Association Type: Slate quarries
Lle: Pen-y-bryn slate quarry
Association Type: Slate quarries
Lle: Penyrorsedd Slate Quarry
Association Type: Slate quarries
Lle: Moel Tryfan
Association Type: Metal mines
Lle: Drws-y-coed copper mine
Derbyniad
collected officially, 1988
Mesuriadau
Meithder
(mm): 524
Lled
(mm): 420
Deunydd
papur
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.