PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Therefore, removal of coal dust, including float coal dust, loose coal, and other combustible materials, and the effective application of rock dust is essential to protect miners from the potential of a coal dust explosion; or if one occurs, to reduce its severity and prevent loss of life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • msha.gov