About: http://webisa.webdatacommons.org/77186786

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	About 2,320 miles (3,730 km) long, the Mississippi River is the largest river system in the United States and North America.
http://www.w3.org/ns/prov#wasQuotedFrom	touropia.com