PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Stressing this delicate carbonate-groundwater system is a growing suburban population that is increasing demand for highways and roads, houses, airports and factories.??? They explain that karst is a stealthy geohazard formed when ???water dissolves limestone, gypsum and other rocks.??? They report that economic losses from karst are hidden and increasing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earthend-newbeginning.com