@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#Chemical>
  a owl:Class ;
  rdfs:label "Chemical"@en .

nalt:325189
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2018-10-09"^^xsd:date ;
  dc:modified "2018-11-16"^^xsd:date ;
  skos:broader nalt:33436 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "phosphate phosphorus"@en, "fósforo de fosfato"@es ;
  skos:related nalt:67237 ;
  ns0:marc001 "89508" .

nalt:67237
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "water quality analysis"@en, "análisis de calidad del agua"@es ;
  skos:related nalt:325189 .

nalt:33436
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:325189 ;
  skos:prefLabel "fósforo"@es, "phosphorus"@en .