About: http://webisa.webdatacommons.org/196213588

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	They span every continent except Antarctica, with a big concentration in the U.S.
http://www.w3.org/ns/prov#wasQuotedFrom	lbl.gov