PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Methods, Procedures and Facilities In the Virgin Islands, groundwater is held primarily in three types of aquifers, principally under water table or semi-confined conditions:
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov