@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:290910
  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:290843 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:290914, nalt:290916, nalt:290915, nalt:290913 ;
  skos:prefLabel "Cisuraliense"@es, "Cisuralian epoch"@en ;
  ns0:marc001 "80701" .

nalt:290914
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290910 ;
  skos:prefLabel "Artinskiense"@es, "Artinskian age"@en .

nalt:290916
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290910 ;
  skos:prefLabel "Asselian age"@en, "Asseliense"@es .

nalt:290915
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290910 ;
  skos:prefLabel "Sakmarian age"@en, "Sakmariense"@es .

nalt:290913
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290910 ;
  skos:prefLabel "Kungurian age"@en, "Kunguriense"@es .

nalt:290843
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:290910 ;
  skos:prefLabel "Permian period"@en, "Pérmico"@es .