About: http://webisa.webdatacommons.org/321512645

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Stable nitrogen isotope ratios are used to assess the trophic position of the fish and their exposure to sewage and other animal wastes.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov