Keywords: Copper Works near Holywell. Belonging to the Mona Compy., Flintshire.jpeg Size mm 205 180 exhibition history Institution National Library of Wales Technique print engraving bw object history object type PD-old-100-1923 place of creation place of discovery 1130233 Copper Works near Holywell Belonging to the Mona Compy Flintshire Uploaded with GWToolset Copper Works near Holywell Belonging to the Mona Compy Flintshire http //dams llgc org uk/behaviour/llgc-id 1130233/fedora-bdef image/reference Images uploaded as part of NLW - WMUK collaboration Welsh Landscape Collection Holywell River Dee Wales 1790s Copper mining Copper industry |