Finished ink-line drawing, the causeway at Cwm Nant Llwyd. Fig 62, "The Brecon Forest Tramroads", S.R. Hughes, 1990.Opsiynau lawrlwytho a prynu
NPRNTeitlMath O SafleArchifauDelweddauNPRN34515TeitlWaun-y-Coed or Ynyscedwyn Ironworks and Cwm-Nant-Llwyd Collieries Railway, Swansea CanalMath O SafleRHEILFFORDDArchifau9Delweddau6