Can anyone tell us what the current length of the Peak Cavern System is? (By this I mean the combined Peak, Speedwell, Titan and JH system.) An internet search has produced slightly conflicting results.
Blimey - no responses so far. Mind you, it may not be a particularly easy question to answer.
I don't need great precision; it's just a quick check for something I've been asked to write. If I said "about 18 km" would anyone argue that's a long way out?
Reavis did tell me a figure on Friday night, but I've forgotten. He must have been busy this morning recounting the Gautries incident to BBC Breakfast (7.15am- ish)...