1: Diane Arthurs, Simon Cornhill and James Carlisle in the shakehole containing site 4465.
2: The base of the depression at site 4465.
3: Diane Arthurs and James Carlisle at site 4465.
4: James Carlisle over site 4465. (photos: Phil Papard)
5: James Carlisle over site 4465. (photos: Simon Cornhill)