Remember the cell phone. You might get lucky and get a signal there. Dale
NO!
three years ago I went with a friend of mine and we were sitting about 50 yards apart, I know cause I ranged him, and I hear "No I love you more Pooh bear" He was on the phone with his 3 year old daughter cause he had a signal.
I ranged him cause I figured I could shoot the antenae off that stupid thing!
The only things I can think to add to your pack.
Toilet paper in a Zip loc with the butt wipe things. They sell $1 packs at Target.
I carry rubber gloves, the big yellow ones that go 1/2 way up your arms like the wife wears when washing dishes. Everyone laughs at me when I put them in the pack, but line up when they have an animal down to get a pair.
There are 3 packs in the dollar store and they come in sizes. Some are yellow some are blue or green. But all keep blood off you and make cleaning up a breeze.
I would bring more then 10 rounds of ammo.
I also have a cigar in a tube and some matches and tinder. Stick to matches or a Zippo at 8K feet the tourch lighters do not work. A Fuel air mix thing.
And I keep some twine, a roll of electrical tape, and 50' of 3/8"rope in my pack.
also a pack of handwipes. Same $1 at Target. You can use the butt wipes to clean up after dressing out the animal, but you smell like a diaper. And what ever you do.
DO not use the hand wipes as butt wipes! WOW that alchol stings.
Aslo a chap stick.
And I bring a second rifle. just in case. Especally when horse back hunting.
Hope you have a great time.
Oh yea bring a folding cheap fuel tab stove and some canned food and you can have a hot lunch. I like the chunky soups, other guys bring Chef Boyardee but both are good on a cold day and beat a 1/2 frozen swamish.
Good luck.