I had to look out those videos you mentioned (referring to the previous poster) They were indeed very interesting...and the mystery rolls on. There are a lot of unsupported claims, for sure, with regards to various Treacle Mines...but the Tovil Treacle Mines featured in the Unlucky Fried Kitten video on YouTube seem to hold a lot of water. (not literally) There are lots of intriguing little facts on this video...as it takes you through the very lane where the Treacle Mine was. I'll keep an open mind...but I'll do some more digging (not literally)