<http://webisa.webdatacommons.org/prov/64476285>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/432178409> .
<http://webisa.webdatacommons.org/432178409>	<http://www.w3.org/ns/prov#value>	"propane and other light hydrocarbons as well" .
<http://webisa.webdatacommons.org/432178409>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usgs.gov> .
<http://webisa.webdatacommons.org/432178409>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .