PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This web site is a supplement to the National Water-Quality Assessment Program's report: Factors affecting water quality in selected carbonate aquifers in the United States, 1993-2005: Scientific Investigations Report 2008-5240.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov