Cumbrian Neil said:
In fact, I can't recall ever seeing stal in the mines I explored in Cumbria. But there again, the only lead mine that comes to mind is the Plumbago Mine in Borrowdale.
CN.
Errr,it's not a lead mine.
Plumbago is a misnomer.
Plumbago (Graphite or "Black Lead) is a form of Carbon.
Most Lead mined in the UK occurred as Galena,PbS.