About: http://webisa.webdatacommons.org/301539605

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	CLUE #2: Naturally occurring Se became concentrated in the marsh because the agricultural runoff contained Se and other trace elements that had been concentrated in the soil by thousands of years of evaporative processes.
http://www.w3.org/ns/prov#wasQuotedFrom	lbl.gov