Cofnod Archif

Rhif Archif

6199536

Disgrifiad

Penrhyn Slate Quarry Office; photo survey comprising eight black and white photographs taken by D.J. Percival, 2002

Enw Casgliad

Investigators' Photographs

Cyfrwng

Photo.

Cychwynnwr

David J. Percival, RCAHMW

Dyddiad

2002-05