LevelBatchDescriptionVolume 2: Plans, elevations, and black and white photographs relating to Dol-y-moch.ArchiveMCH - Merioneth County History CollectionDateArchive Number6376586
LevelBatchDescriptionVolume 2, Figure 10.26: Dugoed Mar (Mallwyd) and Hafod-yr-afr (Llangar).ArchiveMCH - Merioneth County History CollectionDateArchive Number6376515