@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:39920
  a <https://lod.nal.usda.gov/naltv#Chemical>, skos:Concept ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2014-04-22"^^xsd:date ;
  skos:altLabel "iron(II) sulfate"@en, "ferrous sulphate"@en ;
  skos:broader nalt:7281, nalt:125125 ;
  skos:exactMatch <http://id.cabi.org/cabt/47698>, <http://id.agrisemantics.org/gacs/C22262>, agrovoc:c_2861 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "ferrous sulfate"@en, "sulfato ferroso"@es ;
  ns0:marc001 "15035" .

nalt:7281
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:39920 ;
  skos:prefLabel "sulfatos"@es, "sulfates"@en .

nalt:125125
  a ns0:Chemical, skos:Concept ;
  skos:narrower nalt:39920 ;
  skos:prefLabel "herbicidas inorgánicos"@es, "inorganic herbicides"@en .