Keywords: Pen-y-Garreg Dam Elan Valley (1294891).jpg Abstract Pen-y-Garreg Dam 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 1294891 Pen-y-Garreg Dam Elan Valley 1294891 Uploaded with GWToolset Pen-y-Garreg Dam Elan Valley 1294891 http //dams llgc org uk/iiif/test/image/1294891/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 |