PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • to provide for navigational safety.Obstruction is anything that restricts, endangers or interferes with navigation.Responsible party means the owner of a vessel and/or cargo, or an operator or lessee where the operator or lessee has substantial control of the vessel's operation.Vessel as used in this part includes any ship, boat, barge, raft, or other water craft.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ecfr.gov