About: http://webisa.webdatacommons.org/2456382

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	Goods such as grain, corn, coal, petroleum and chemicals are typically shipped along the Mississippi River, in part because the volume is so high that using trucks or trains would be far more costly.
http://www.w3.org/ns/prov#wasQuotedFrom	utsandiego.com