Archive NumberTitleLevelDescriptionMediumImagesArchive Number6438802TitleDMHC04_174 - Dr Michael Harrison CollectionLevelSub-groupDescriptionColour slides showing sites and buildings in Dr Harrison's classification "Stone - 10540".Medium20 slides. Photo.ImagesnArchive Number6421958TitleWMPT114 - Welsh Mines Preservation TrustLevelBatchDescriptionDigital photos of Hafan Quarry.Medium14 photos. Text, Photo.Imagesn
