About: http://webisa.webdatacommons.org/124149290

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	(a) after December 31, 1980 and before January 1, 1982, of petroleum or gas, including any minimum or advance royalty payment with respect to the amount or value of production, or
http://www.w3.org/ns/prov#wasQuotedFrom	lawdelta.org