PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Depending on the resistance to water flow afforded from the soil and rock formations, groundwater continues to flow downward until it encounters one of the two types of aquifers, confined or unconfined (Figure 3).
http://www.w3.org/ns/prov#wasQuotedFrom
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