About: http://webisa.webdatacommons.org/310501832

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	They are generally located in the lithologies including the permeable sandstone layers and impermeable layers such as claystone, siltstone, and mudstone layers.
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com