NPRNTitleType Of SiteRelationNPRN416228TitleOld Engine Shed, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN415933TitleEngineering Workshop, Part of Smithy and Workshop Range, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN415949TitleFormer Engine House - NewType Of Siten/aRelationConsists ofNPRN415934TitleMill Floor Tunnel, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN416202TitleTramway System, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN415929TitleSmithy, Part of Smithy and Workshop Range, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN415910TitleWeighbridge and Weighbridge Building, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN416211TitleOil Store, Maenofferen Slate QuarryType Of Siten/aRelationConsists ofNPRN415926TitleSmithy and Workshop Range, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN415947TitleUnhookers Office, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN400427TitleMaenofferen Slate Mine, Blaenau Ffestiniog (Maen-Offeren; Maen y Fferem; Maen Offeren)Type Of Siten/aRelationPart ofNPRN415951TitleFormer Engine House - OldType Of Siten/aRelationConsists ofNPRN416227TitleWater Balance Incline Drumhouse, Maenofferen Slate MineType Of Siten/aRelationConsists ofNPRN415931TitleSawmill, Part of Sawmill and Workshop Range, Maenofferen Slate MineType Of Siten/aRelationConsists of
