Well I found my self after 3 hours down there, just before CRO got to where I was! however have lost the following, if anyone feels like going on a mission for a couple of pints...
Wellies, - Between the wooden stempls
Knee pads - " " " "
Gloves - Around there somewhere.
Tackle sack containing... (SRT Harness attatched to outside)
Full SRT kit,
Waterproof digital camera.
A few odds and ends such as spare batteries.
The bag and contents is what I am most intersted in and is currently in the stream between the last wooden stemple and the metal one in a real tight bit.