<http://webisa.webdatacommons.org/73117032>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/489170897>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/73117032> .
<http://webisa.webdatacommons.org/73117032>	<http://www.w3.org/ns/prov#value>	"buffers filter out pollutants before they can reach streams or other bodies of" .
<http://webisa.webdatacommons.org/73117032>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usda.gov> .