About: http://webisa.webdatacommons.org/369296512

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	Sewage is the most common threat to ground water purity in the United States.
http://www.w3.org/ns/prov#wasQuotedFrom	gulfofmaine.org