About: http://webisa.webdatacommons.org/187456016

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	ons of cargo being transported up and down the river each year, including grain and other agriculture products, coal, iron, steel, and petroleum products.
http://www.w3.org/ns/prov#wasQuotedFrom	votesmart.org