PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The active layer is thinnest and the permafrost layer generally thickest in fine-grained soils such as silt and clay.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alaskool.org