About: http://webisa.webdatacommons.org/308976330

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	The fracturing fluid has entrained therein a particulate material called a proppant (e.g., sand or other particulate matter).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com