Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Caernarvonshire
Ordnance Survey map (photocopy) plan SH 5054 - 5154 (1975 )
Nantle : Pen yr Orsedd Slate Quarries, Ellen Slate Quarry, Fron Slate Quarry, Gloddfa Slate Quarry, Glytiau Slate Quarry, Old Braich slate Quarry, Old Cilgwyn Slate Quarry
Scale - 1:2500
Pwnc
Diwydiant
Rhif yr Eitem
88.86I/9 (27)
Derbyniad
Collected officially, 1988
Mesuriadau
Meithder
(mm): 530
Lled
(mm): 840
Techneg
photocopy
Deunydd
papur
Lleoliad
In store
Dosbarth
topographyNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.