Heckfire! A person could end up with a nice supply of lead for casting ammo & quality melt iron for weapons to beat back the zombies!
(My sizeable stash is in aluminum tubes; buried vertical to the terrain. Everyone in the immediate family has the GPS coordinates and, coded a map with lat/long plots. As a purely experimental thing, we have four 'aerial platforms' with programmed, set-and-fly GPS coordinates take ya right to the sites.