@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:290920
  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:290842 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:narrower nalt:290930, nalt:290928, nalt:290929 ;
  skos:prefLabel "Pensilvánico"@es, "Pennsylvanian period"@en ;
  ns0:marc001 "83067" .

nalt:290930
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290920 ;
  skos:prefLabel "Pensilvánico superior"@es, "Late Pennsylvanian epoch"@en .

nalt:290928
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290920 ;
  skos:prefLabel "Early Pennsylvanian epoch"@en, "Pensilvánico inferior"@es .

nalt:290929
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:290920 ;
  skos:prefLabel "Pensilvánico medio"@es, "Middle Pennsylvanian epoch"@en .

nalt:290842
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:290920 ;
  skos:prefLabel "Carboniferous period"@en, "Carbonífero"@es .