RCAHMW colour oblique aerial photograph of Upper Clydach Aqueduct and overflow, Pontardawe Aqueduct, Swansea Canal. Taken on 21 March 2007 by Toby DriverOpsiynau lawrlwytho a prynu
NPRNTeitlMath O SafleArchifauDelweddauNPRN34513TeitlUpper Clydach Aqueduct and Overflow, Pontardawe Aqueduct, Swansea CanalMath O SafleTRAPHONT DDŴRArchifau17Delweddau6