Archif6203586TeitlBMCN2007_131 - RCAHMW Uplands Initiative Black Mountains Central (North) SurveyLefelItemDisgrifiadDigital colour photograph of Grwyne Fawr Reservoir Platform IV taken on 22/09/2207 by R.P.Sambrook during the Black Mountains Central (North) Survey undertaken by Trysor.CyfrwngPhoto.Delweddauy