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  <rdfs:subClassOf rdf:resource="https://folio.openlegalstandard.org/2A-BXFaYS4aaPb9hUzIjNA"/>
  <rdfs:isDefinedBy rdf:resource="https://www.naics.com/six-digit-naics/?code=213111"/>
  <rdfs:label>Drilling Oil and Gas Wells</rdfs:label>
  <skos:definition>This U.S. industry comprises establishments primarily engaged in drilling oil and gas wells for others on a contract or fee basis. This industry includes contractors that specialize in spudding in, drilling in, redrilling, and directional drilling.</skos:definition>
</owl:Class>