Keywords: Penrhyn Slate Quarries near Bangor, N.W.jpeg Size mm 288 287 exhibition history Institution National Library of Wales Technique print lithograph colour object history object type PD-old-70-1923 place of creation place of discovery 1131103 Penrhyn Slate Quarries near Bangor N W Uploaded with GWToolset Penrhyn Slate Quarries near Bangor N W http //dams llgc org uk/behaviour/llgc-id 1131103/fedora-bdef image/reference Images uploaded as part of NLW - WMUK collaboration Welsh Landscape Collection Penrhyn Quarry Industries Mountains of Wales |