The John Bargrave Collection
Gwennap
Cornwall, England, Europe
No image has been attached.View Larger MapDescription of institution: In the 18th and early 19th centuries Gwennap parish was the richest copper mining district in Cornwall,[3] and was called the "richest square mile in the Old World". URL:https://en.wikipedia.org/wiki/Gwennap Location contains: Poldice Mine (Mine or Quarry)