How Grove Lead Mine, Castleton - 1402079 | Historic EnglandSummary How Grove is a small lead mine of mid-C18 to the early C20. It is situated on an island of preserved hillocks on Dirtlow Rake, Derbyshire. Reasons for Designation Rarity: It is a rare survival of an exceptionally late lead mine with well preserved https://historicengland.org.uk/listing/the-list/list-entry/1402079