If you interested in Cornish mining there are a few articles below that were written by Mining Historian Allen Buckley.
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Those Mysterious Holes in The Ground
The Bible Class Which Made Safer
Introduction Of Rock Drills Into Cornish Mining
Tinners’ Celebrations – You Whidden Or White Thursday
Those Ubiguitous Engine Houses
South Crofty’s New Acess Shaft
Tin Streaming: An Ancient Industry