About: http://webisa.webdatacommons.org/278039062

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Designed to be built in a trench or above ground by untrained people in 48 hours or less, the shelters are made of wood, dirt and other materials found around the house.
http://www.w3.org/ns/prov#wasQuotedFrom	homelandcivildefense.org