About: http://webisa.webdatacommons.org/308903552

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	The Sacramento-San Joaquin Delta provides water for 25 million Californians ??? including 60% of Southern California's supply ??? and supports $400 billion of economic activity, including fishing and farming.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com