Does this connect with the delightfully loose workings accessed from the end of the muddy crawl, being a higher level of the same? I found the connection from the muddy crawl on my first ever caving trip, wearing my woolly hat and pushing my bicycle lamp in front of me, only, many years later to see a survey showing a dead end there. My next slide through came decades after the first, on a pdmhs trip. I have the impression that the connection is not well known.