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you can if you want to, its a free country
we had brought a few beers but they were warm very quickly so I skipped em, do not like warm beer :-)

There are laws sometimes against drinking on manned boats. ..hence the question

I would dip the bottles under water.. keep em cool

the water was 20 degrees ish so that would not really have helped, lol but yea... next time we bring ice

wow...that's quite warm for a river...