Tag Archives: chalk

Blackheath Cavern

Those amazing cavers at Subterranean Greenwich have found an old description of Blackheath Cavern, from the Morning Chronicle, on Tuesday 8th April 1817:

Blackheath Cavern – new 1817 description

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The hidden mines…

Are there undiscovered chalk mines waiting to collapse on Blackheath Hill? Subterranean Greenwich seems to think so…

Winn’s Chalk Mine, Blackheath Hill

I think we need a remote control plane and some radar equipment…

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