About: http://webisa.webdatacommons.org/289986793

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	Otherwise, means may be provided for disposing of such a ball, or other plugging means, either up or down the well.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com