PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Water inputs and outputs are quantified, and water quality including sediment, nitrogen (nitrate, nitrite, ammonia, and total) and phosphorus (soluble, particulate, and total) are analyzed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov