@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:225292
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  dc:created "2014-08-20"^^xsd:date ;
  dc:modified "2017-04-28"^^xsd:date ;
  skos:altLabel "urao"@en, "trisodium hydrogendicarbonate dehydrate"@en, "sodium sesquicarbonate dihydrate"@en, "sodium sesquicarbonate"@en ;
  skos:broader nalt:21085 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "trona"@en, "trona"@es ;
  skos:related nalt:22266 ;
  ns0:marc001 "74555" .

nalt:21085
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:225292 ;
  skos:prefLabel "minerales de carbonato"@es, "carbonate minerals"@en .

nalt:22266
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "sodium carbonate"@en, "carbonato de sodio"@es ;
  skos:related nalt:225292 .