Odds ‘n Sods:
This company near Denver, Colorado might be of interest: RainyDayRootCellars.com. They make pre-cast concrete shelters that are multipurpose: root cellars, storm shelters, nuclear blast/fallout shelters, and storage vaults. OBTW, if you are wondering how to make a detached underground shelter disappear… just pile part of your supply of firewood over the hatch. o o o Please note that my novel “Survivors” is not just available from Amazon.com. It is also available from Barnes & Noble, and several other Internet vendors. There is also a network of local independent bookstores, coordinated by IndieBound.com. Give the other guys some business, too! …