Cofnod Archif

Rhif Archif

6018354

Disgrifiad

Photographic survey of Llywernog silver-lead mine consisting of 37 black and white prints. Negatives held.

Enw Casgliad

Investigators' Photographs

Cyfrwng

Photo.

Cychwynnwr

Mr Brian A. Malaws

Dyddiad

1997-06-24