PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • White Sturgeon of the Columbia River are endangered, and part of the problem could be exposure of their offspring to heavy metals, such as copper, zinc, lead, and cadmium that have contaminated their habitat as a result of metal processing activities..
http://www.w3.org/ns/prov#wasQuotedFrom
  • usgs.gov