About: http://webisa.webdatacommons.org/263830303

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	Proppants suitable for use with the present technology can be, but are not limited to, small particles of sand, ceramics, or other hard materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com