Ireby II
Have recieved a large scale survey of Ireby II. What was not clear on other surveys but you can see on this one is that the passage off Jupiter Cavern heading back over the sump where there is a 25ft pit to be negotiated has an active inlet. From the bottom of the pit, at the base of the rift passage an inlet comes in from the left and appears to have been followed for 30ft or so following the … Read More