About: http://webisa.webdatacommons.org/204179771

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 oil that was spilled was a combination of light and heavy oil, the latter of which can sink to the bottom of the lake, making it difficult to remove.
http://www.w3.org/ns/prov#wasQuotedFrom	progressillinois.com