Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Great Condurrow Mine, plan
Plan showing underground and projected section of Great Condurrow Mine, Tin Ore. Surveyed by J.W. Wilon, P.A. Smith, P. Okonkwo, solomon. Drawn By J.W. Wilson. March 1970. Scale 1:240
Pwnc
Diwydiant
Rhif yr Eitem
87.249I/36
Mesuriadau
Meithder
(mm): 690
Lled
(mm): 654
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