Passing through Southern Montana. ride or transport supplies

I am going to be heading to Standing rock from Washington either the first or second week in December. I have 2 spots open in my car as well if anyone wants a ride. I plan to stay for no more than 2 weeks. I want to gather supplies from folks along the way, so let me know if you have anything. I will be heading through southern Montana, but can probably divert a little bit. I am trying to link up with the medics out there and they need these things mainly.

Milk of Magnesia

Wool socks

Wool blankets

Space blankets

Hand warmers

Trauma kits (portable)