Archif6203628TeitlBMCN2007_173 - RCAHMW Uplands Initiative Black Mountains Central (North) SurveyLefelItemDisgrifiadDigital colour photograph of Grwyne Fawr Reservoir Structure III taken on 26/09/2007 by R.P.Sambrook during the Black Mountains Central (North) Survey undertaken by Trysor.CyfrwngPhoto.Delweddauy