Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
O.S. map of Caernarvonshire
Ordnance Survey map section (photocopy)
Dorothea slate Quarry, Blaen y Cae Slate Quarry, Gallt y Fedw Slate Quarry, Pen y Bryn Slate Quarries and Tal y Sarn Slate Quarry (Nantle)
Scale - 1:2500
(not dated)
Pwnc
Diwydiant
Rhif yr Eitem
88.86I/3 (21)
Derbyniad
Collected officially, 1988
Mesuriadau
Meithder
(mm): 383
Lled
(mm): 456
Techneg
photocopy
Deunydd
papur
Lleoliad
In store
Dosbarth
topographyNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.