RCAHMW colour oblique aerial photograph of Elan aqueduct parchmarks at Dulas and Daverneithen circular structure taken on 9 July 2018 by Toby DriverOpsiynau lawrlwytho a prynu
NPRNTeitlMath O SafleArchifauDelweddauNPRN309616TeitlElan Aqueduct: Inlet, Dulas SyphonMath O SafleTŶ’R LLIFDDORArchifau7Delweddau5NPRN800228TeitlDafarn-eithin or Daverneithnen circular structureMath O SafleBEDDRODArchifau6Delweddau4