PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In recognition of the problems involving mine maps, the United States Congress appropriated $10 million to MSHA for Digitizing mine maps and developing technologies to detect mine voids, through contracts, grants, or other arrangements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • msha.gov