Darganfod ac Archwilio’r Casgliad

DYFI FURNACE;DYFI FURNACE, AND CHARCOAL STORE;...

OCHR-Y-MYNYDD, IRONSTONE WORKINGS W OF..

OCHR-Y-MYNYDD, IRONSTONE WORKINGS W OF..

CEFN CRIBWR IRONWORKS; BEDFORD IRONWORKS, CEFN...

DYFI FURNACE;DYFI FURNACE, AND CHARCOAL STORE;...

RUDRY IRONWORKS

CYFARTHFA IRONWORKS, MERTHYR TYDFIL

TONDU IRONWORKS, TONDU

MACHEN FORGE AND TINPLATE WORKS, TRETHOMAS

CEFN CRIBWR IRONWORKS; BEDFORD IRONWORKS, CEFN...

OCHR-Y-MYNYDD, IRONSTONE WORKINGS W OF..

TONDU IRONWORKS, TONDU

TONDU IRONWORKS, TONDU

OCHR-Y-MYNYDD, IRONSTONE WORKINGS W OF..

DYFI FURNACE;DYFI FURNACE, AND CHARCOAL STORE;...

OCHR-Y-MYNYDD, IRONSTONE WORKINGS W OF..

TONDU IRONWORKS, TONDU

YNYSFACH IRONWORKS, MERTHYR TYDFIL

TONDU IRONWORKS, TONDU

CARN-Y-FRWYDR, IRONSTONE WORKINGS

MACHEN FORGE AND TINPLATE WORKS, TRETHOMAS

MARGAM IRON AND STEEL WORKS, TAIBACH

OCHR-Y-MYNYDD, IRONSTONE WORKINGS W OF..

CAERPHILLY IRON FURNACE

TONDU IRONWORKS, TONDU

CYFARTHFA IRONWORKS, MERTHYR TYDFIL

CYFARTHFA IRONWORKS, MERTHYR TYDFIL

DYFI FURNACE;DYFI FURNACE, AND CHARCOAL STORE;...

ABERCRAF IRONWORKS

ABERCRAF IRONWORKS