@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
<https://lod.nal.usda.gov/nalt>
  a skos:ConceptScheme ;
  rdfs:label "NALT Full"@en .

<https://lod.nal.usda.gov/naltv#Topic>
  a owl:Class ;
  rdfs:label "Topic"@en .

nalt:290937
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  dc:created "2017-01-27"^^xsd:date ;
  dc:modified "2017-11-10"^^xsd:date ;
  skos:broader nalt:290841 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:290942, nalt:290941, nalt:290940 ;
  skos:prefLabel "Early Devonian epoch"@en, "Devónico inferior"@es ;
  ns0:marc001 "81210" .

nalt:290942
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290937 ;
  skos:prefLabel "Lochkoviense"@es, "Lochkovian age"@en .

nalt:290941
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290937 ;
  skos:prefLabel "Pragiense"@es, "Pragian age"@en .

nalt:290940
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290937 ;
  skos:prefLabel "Emsian age"@en, "Emsiense"@es .

nalt:290841
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:290937 ;
  skos:prefLabel "Devonian period"@en, "Devónico"@es .