Keywords: Penygarreg reservoir, Elan Valley (1294242).jpg Abstract Penygarreg reservoir Elan Valley Size mm 163 exhibition history Institution National Library of Wales Technique negative glass plate negative bw object history CC-zero Creator Percy Benzie Abery 1294242 Penygarreg reservoir Elan Valley 1294242 Uploaded with GWToolset Penygarreg reservoir Elan Valley 1294242 http //dams llgc org uk/iiif/test/image/1294242/full/1000 /0/default jpg Images uploaded as part of NLW - WMUK collaboration Photographs by P B Abery in the National Library of Wales Elan Valley Reservoirs Penygarreg Reservoir |