Great list Martin. You have given me a few ideas. I used to be involved with a SAR team in Northern California, so I used to carry a bunch of similar gear.
One item that I would add that I dd not see and it might be hiding is a couple of 15 foot sections of 1" webbing to make harnesses with. Also maybe a few prusiks to aid in hauling or climbing. Overall a very good list.
Thanks for posting.
Ready
_________________________
"Do what you can, with what you have, where you are" Theodore Roosevelt