About: http://webisa.webdatacommons.org/22490969

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	have revealed over the years that there is a constant exchange of mass, energy,
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov