Chris's first trip to Sump 12. We had previously been to Sump 9 together but Chris had problems with his regulator then. <br> <br>Once at Sump 12 we had a look at Sump 12B and Chris had a look up the rift at Sump 12A.
Chris's first trip to Sump 12. We had previously been to Sump 9 together but Chris had problems with his regulator then. Once at Sump 12 we had a look at Sump 12B and Chris had a look up the rift at Sump 12A.