LefelItemDisgrifiadMap showing 'The Trevil Railroad and the quarries worked from it': Map K.ArchifELR - Early Limestone Railways DrawingsDyddiadRhif Archif6374115
LefelItemDisgrifiadMap showing 'The Abersychan Limestone Railway and its Connections': Map A.ArchifELR - Early Limestone Railways DrawingsDyddiadRhif Archif6374104