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This sounds to me like another ticket for the Titanic. Have they not learned a lesson from Gunnislake? Shafts are often blocked by fallen timbers, and open stopes have timber false floors. Fair enough, concrete could well form a solid and permanent plug, however to do the job properly would entail a lot of expense. There are many mines that I have explored that have shafts well and truly open underground, but no sign at all of them on the surface. Roy Fellows -----Original Message----- From: mining-history [mailto:[log in to unmask]] On Behalf Of Caroline Vulliamy Sent: 30 November 2008 21:38 To: [log in to unmask] Subject: Wheal Ida Dear list, Still looking for a bit more detail on Wheal Ida, which is SE of Pensilva, Caradon, Cornwall. Plans for a massive wind turbine 30 storeys high are to be decided any moment now - likely to be approved, site meeting Tuesday. The Wheal Ida workings appear to lie directly under the proposed position of this massive structure, but are under water so no chance to prove what's underground. The wind turbine company said that they would 'fill them with concrete' Unfortunately no plans or sections have come to light to show just what that would entail, but evidently there were several working levels...quite a lot to fill with concrete, then.... Anyone have any idea where else to look ? (I did look up Phil's recent link for mine plans generally) Caroline Vulliamy _________________________________________________________________ Win £1000 John Lewis shopping sprees with BigSnapSearch.com http://clk.atdmt.com/UKM/go/117442309/direct/01/=