<http://webisa.webdatacommons.org/428165607>	<http://www.w3.org/ns/prov#value>	"Erosion is a problem that persists to this day, and it???s responsible for dust storms, mudslides, and sinkholes." .
<http://webisa.webdatacommons.org/428165607>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<heartland.org> .
<http://webisa.webdatacommons.org/prov/433212467>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/428165607> .
<http://webisa.webdatacommons.org/428165607>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .