PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Se release associated with weathering of mine wastes has been recognized as a threat to human health and the environment at numerous mine sites, affecting water quality not only in Idaho but also in Montana and other states.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov