About: http://webisa.webdatacommons.org/93529146

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	(1) must be watertight and constructed of durable material such as concrete, fiberglass, polyethylene, or polypropylene; and
http://www.w3.org/ns/prov#wasQuotedFrom	in.gov