<http://webisa.webdatacommons.org/245202517>	<http://www.w3.org/ns/prov#value>	"Salt was a valuable commodity in the early 1800s." .
<http://webisa.webdatacommons.org/245202517>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/287985120>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/245202517> .
<http://webisa.webdatacommons.org/245202517>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<lasr.net> .