hi i was wondering if anyone could help me out to see if any of these leads had been pushed before. Had a recent trip down hiller's cave,and just past the first boulder ruckle and sliding along on your front until you come to the squeeze into cambridge grotto. underneath you there is a small squeeze on your right, though a duck/puddle into a chamber with a hole in in the floor, which i did not have time to explore, and can see caveable passage on my right barred by a few small boulders. also beyond cambridge grotto and past the small boulder ruckle there is body sized rift on your right hand side, which leads up to a tight squeeze into a wide bedding plane with a trench cut into the floor. you can see a continuation of the passage ahead but it has an interesting boulder blocking the way.