PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Categories mainly based on drainage-network position and slope. (%, percent; >, greater than; <, less than; ID, identification code)
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov