Rhif Archif
6429445
Disgrifiad
Abortive wheelpit and No9 mill waste tip bastion, from SE, wheel intended to be 40ft x 6ft, Rhosydd Slate Quarries complex.
Enw Casgliad
Investigators' Photographs
Cyfrwng
Photo.
Cychwynnwr
Stephen R. Hughes
Dyddiad
1996-09-01