Darganfod ac Archwilio’r Casgliad

William Crawshay, Cyfarthfa: 52 1/2" engine,...

Robert Crawshay, Cyfarthfa: 2 horse power...

Cyfarthfa: Landscape & History/Archaeology

Cyfarthfa: Landscape & Industry

‘Eionon Garn on the Peryddyn or Ysgwd or Scwd...

‘Cyfarthfa Castle’ by Penry Williams

‘A Mother and Child beneath an Arbour at...

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

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

CWMDU AIR SHAFT COLLAPSED WORKINGS

CYFARTHFA MAIN MOORLAND TRAMMING LEVEL

CWMDU AIR SHAFT COLLAPSED WORKINGS

CEFN-COED-Y-CYMMER VIADUCT;CEFN VIADUCT,...

CEFN-COED-Y-CYMMER VIADUCT;CEFN VIADUCT,...

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

CEFN-COED-Y-CYMMER VIADUCT;CEFN VIADUCT,...

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

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

CEFN-COED-Y-CYMMER VIADUCT;CEFN VIADUCT,...

YNYSFACH IRONWORKS, MERTHYR TYDFIL

COEDCAE RESERVOIR III

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

CEFN-COED-Y-CYMMER VIADUCT, MERTHYR TYDFIL

CWMGLO PIT SPOIL TIPS I

MERTHYR BRICKWORKS

WINCH FAWR