No, but the right countryElm hole?
By the way, for anyone who didn't understand my comment: "that magnificent survey which your old club produced, from memory about 43 years ago" - I was referring to the the LUSS Bar Pot and Flood Entrance Pot survey from (I think) 1980, which is a speleocartographical masterpiece and even comes with an explanatory booklet.
No, this one is further south and in another country.Joint Hole?