Keywords: Graig Goch reservoir, Elan Valley (1293990).jpg Abstract Graig Goch 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 1293990 Graig Goch reservoir Elan Valley 1293990 Uploaded with GWToolset Graig Goch reservoir Elan Valley 1293990 http //dams llgc org uk/iiif/test/image/1293990/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 Craig Goch Reservoir |