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

nalt:21135
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Chemical> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2014-07-17"^^xsd:date ;
  skos:altLabel "calcium sulphate"@en, "CaSO4 (calcium sulfate)"@en, "sulfato cálcico"@es ;
  skos:broader nalt:7281 ;
  skos:exactMatch agrovoc:c_1203, <http://id.agrisemantics.org/gacs/C29361>, <http://id.loc.gov/authorities/subjects/sh85018793>, <http://id.cabi.org/cabt/22410> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:prefLabel "sulfato de calcio"@es, "calcium sulfate"@en ;
  skos:related nalt:222187, nalt:44152 ;
  ns0:marc001 "6398" .

nalt:222187
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "anhidrita"@es, "anhydrite"@en ;
  skos:related nalt:21135 .

nalt:7281
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:21135 ;
  skos:prefLabel "sulfatos"@es, "sulfates"@en .

nalt:44152
  a ns0:Chemical, skos:Concept ;
  skos:prefLabel "yeso (mineral)"@es, "gypsum"@en ;
  skos:related nalt:21135 .