@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 agrovoc: <http://aims.fao.org/aos/agrovoc/> .
@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:50389
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2018-09-07"^^xsd:date ;
  skos:broader nalt:6754 ;
  skos:exactMatch agrovoc:c_8287, <http://id.cabi.org/cabt/123821>, <http://id.loc.gov/authorities/subjects/sh85144254>, <http://id.agrisemantics.org/gacs/C13414> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:50388 ;
  skos:prefLabel "volcanic soils"@en, "suelos volcánicos"@es ;
  skos:related nalt:49173, nalt:302693 ;
  ns0:marc001 "39708" .

nalt:50388
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:50389 ;
  skos:prefLabel "suelos derivados de ceniza volcánica"@es, "volcanic ash soils"@en .

nalt:302693
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "islas volcánicas"@es, "volcanic islands"@en ;
  skos:related nalt:50389 .

nalt:6754
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:50389 ;
  skos:prefLabel "tipos de suelos litológicos"@es, "lithological soil types"@en .

nalt:49173
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "volcanes"@es, "volcanoes"@en ;
  skos:related nalt:50389 .