PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The coal beds in the area originally accumulated as peat deposits that formed from the leaves, branches, stems, and roots of trees and other plants that grew in the swamps.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blm.gov