Darganfod ac Archwilio’r Casgliad

PALLEG RAILWAY OR TRAMROAD, CWM TWRCH, SWANSEA...

CULVERT TO TREVOR MILL, LLANGOLLEN CANAL

PONT-Y-YARD BRIDGE

TOLLGATE COTTAGE, GOLDEN GROVE

CULVERT, CASTELL MALGWYN TINPLATE WORKS

CULVERT TO TREVOR MILL, LLANGOLLEN CANAL

RAILWAY BED EMBANKMENT ALONG RIVER AT CWM CLYDACH

CONWAY TUBULAR BRIDGE, CONWY

TRAMWAY TUNNEL UNDER LLANFOIST INCLINE

CWM CLYDACH RAILWAY

NANT-Y-CAE BRIDGE, CRAY, BRECON FOREST TRAMROAD

NANT-Y-FFIN CAUSEWAY, BFT 4.8

MANCHESTER AND MILFORD RAILWAY BRIDGE, PENPONTBREN

MID WALES RAILWAY BRIDGE, PENPONTBREN JUNCTION

BASCULE BRIDGE;WHITE BRIDGE

WYE RAILWAY VIADUCT, MONMOUTH

CEFN-COED-Y-CYMMER VIADUCT, MERTHYR TYDFIL

CEFN BYCHAN VIADUCT;NEWBRIDGE VIADUCT

MID WALES RAILWAY BRIDGE, PENPONTBREN JUNCTION

PONTARDULAIS RAILWAY TUNNEL

LOUGHOR RAILWAY BRIDGE

CONWAY TUBULAR BRIDGE, CONWY

TRAMWAY BRIDGE-INCLINE STAGE 2, LLANFOIST INCLINES

CULVERT, CASTELL MALGWYN TINPLATE WORKS

PENTREFELIN TRAMWAY VIADUCT

CWM CLYDACH RAILWAY

BARMOUTH RAILWAY VIADUCT, BARMOUTH

LLANELLI AND MYNYDD MAWR RAILWAY BRIDGE

CASTELL-DU TRAMROAD DEPOT

CAE CWM CRAI ARCH CULVERT, BRECON FOREST TRAMROAD