PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Concentrations of nutrients, pesticides, organic carbon, radon, uranium, tritium, and major ions were measured in water samples to relate their occurrence and distribution on a small scale to land use and other factors and evaluate their transport from the land surface to ground water and from ground water to streams.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov