About: http://webisa.webdatacommons.org/371541767

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	Rivers such as the Mississippi that have a great deal of river bends and also have a large commercial traffic presence probably offer the greatest challenge to recreational boating.
http://www.w3.org/ns/prov#wasQuotedFrom	boatus.org