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Finished ink-line drawing, the cross-section of the Cwm Nant Lloi causeway. Fig 69, "The Brecon Forest Tramroads", S.R. Hughes, 1990.Further Information
  • 6202399BFT - RCAHMW Brecon Forest Tramroad Publication Collection - Collection
  • 6028247BFT034 - RCAHMW Brecon Forest Tramroad Publication Collection - Item