PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Surface runoff was sampled on an event basis and subsurface flow was sampled monthly, and analyzed for NO3-N and other nutrients.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usda.gov