About: http://webisa.webdatacommons.org/406848742

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	This method consists of drilling well beyond the groundwater supply, and immediately installing a steel pipe, which is called a casing.
http://www.w3.org/ns/prov#wasQuotedFrom	advantagesofnaturalgas.net