Rhif ArchifTeitlLefelDisgrifiadCyfrwngDelweddauRhif Archif6018098TeitlDrawings CollectionLefelItemDisgrifiadIncomplete RCAHMW drawing by Douglas Hague showing plan and section of Cambrian Colliery, Glamorgan.CyfrwngGraphic.DelweddaunRhif Archif6018099TeitlDrawings CollectionLefelItemDisgrifiadIncomplete RCAHMW drawing by Douglas Hague showing section of Cambrian Colliery, Glamorgan.CyfrwngGraphic.Delweddaun
