for a year. Figure 1000 lbs per person. you can't haul-fit that in a van or a pickup, guys, along with all the other needed gear, anyway. You have to cache it, and it's a night's work to properly cache ONE 55 gallon drum. Fortuately, a drum holds many bushels of grain, 50 odd lbs to the bushel, and grain runs <$10 a bushel.