Cheers fellas,
I'm afraid I can't take any credit.
Gabriel Blamires, the bloke who wrote Guidestones to the Great Langdale Axe Factories, discovered it and Kate Sharpe told me about it.

Gabriels book is here.
http://www.bookscumbria.com/cgi-bin/trolleyed_public.cgi?action=showprod_2411