About: http://webisa.webdatacommons.org/123332160

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	As different types of machinery drill the ocean floor to reach petroleum deposits, they produce rock cuttings that contain oil and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom	heritage.nf.ca