LevelItemDescriptionColour slide produced by Colin Guile, caption reads "Quarry sled on track from Tarren Rhos Fach to Pennal", dated 19/8/72.ArchiveColin Guile CollectionDateArchive Number6492216
LevelItemDescriptionColour slide produced by Colin Guile, caption reads "Packhorse (Drovers Bridge) at Abergynolwyn Quarries. Extrene W edge of Ty Gesail", dated 10/8/72.ArchiveColin Guile CollectionDateArchive Number6492184
LevelItemDescriptionColour slide produced by Colin Guile, caption reads "Abergynolwyn quarries from W slope of Ty Gesail 2187ft", dated 10/8/72.ArchiveColin Guile CollectionDateArchive Number6492183
LevelItemDescriptionColour slide produced by Colin Guile, caption reads "Abergynolwyn quarries Bryneglwys, Nant Gwernol with Cadair Idris, 2927ft in distance", dated 19/8/72.ArchiveColin Guile CollectionDateArchive Number6492199
