The one boat will have a livewell, so I'm thinking we should just be able to fill it when we get there....throw them in (using the method Wes said), and keep them in there for the duration, and scoop them to the other boat as needed.
I think we can charge a battery at the camp, and my buddy has two, so we can swap batteries to keep the livewell water moving a good portion of each day.
Don't really know...as I've always had great luck killing the minnows within a day or two....
dk