About: http://webisa.webdatacommons.org/213711622

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	concentrations of substances extracted from the Earth???s crust, such as fossil carbon or metals;
http://www.w3.org/ns/prov#wasQuotedFrom	ecologyandsociety.org