<http://webisa.webdatacommons.org/prov/352456328>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/378566881> .
<http://webisa.webdatacommons.org/378566881>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/378566881>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<edurite.com> .
<http://webisa.webdatacommons.org/378566881>	<http://www.w3.org/ns/prov#value>	"Each area remains the subject of intense investigation by chemists, biologists, geochemists, engineers, and other scientists. see also Fresh Water, Natural Composition of; Fresh Water, Physics and Chemistry of; Groundwater; Modeling Groundwater Flow and Transport; Modeling Stream Flow and Quality; Pollution of Groundwater; Pollution of Lakes and Streams; Radioactive Chemicals; Septic System Impact" .
<http://webisa.webdatacommons.org/prov/183461954>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/378566881> .