Borough geologist Graham Worton takes a last look at the limestone cavern.
Part of the limestone cavern.
Part of the underground waterway.
Borough geologist Graham Worton takes a last look at the limestone cavern.
Mines manager Ken Leech surveys the limestone cavern.
475 million year old fossils embedded in the rock that makes the site so unique.
Stalagtites hanging on the cavern ceiling.
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Bid to revive Dudley's limestone mines
May 15 2009 by Trevor Roberts
Council engineers and geologists revealed the possibility of seeking reduced new funding to showcase the vast, cathedral-sized Step Shaft mine under Wrens Nest National Nature Reserve.
