About: http://webisa.webdatacommons.org/134639195

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	Even small changes to estimates of total organic content, porosity, connectedness and other factors can result in enormous changes in estimated resources and reserves.
http://www.w3.org/ns/prov#wasQuotedFrom	townhall.com