About: http://webisa.webdatacommons.org/442009222

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	First, the scientists developed a comprehensive national geographic information system database that evaluated topography, population, land use and other information about the contiguous United States.
http://www.w3.org/ns/prov#wasQuotedFrom	pnl.gov