<http://webisa.webdatacommons.org/399548502>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/399548502>	<http://www.w3.org/ns/prov#value>	"River systems are experiencing increased loadings of nutrients and chemicals such as pesticides and other compounds." .
<http://webisa.webdatacommons.org/399548502>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usbr.gov> .
<http://webisa.webdatacommons.org/prov/410911785>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/399548502> .