@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:19
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2015-02-06"^^xsd:date ;
  skos:altLabel "irrigation and drainage systems"@en, "equipment, irrigation and drainage"@en, "irrigation and drainage equipment"@en ;
  skos:broader nalt:21 ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C4119> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:24709, nalt:12582, nalt:21741 ;
  skos:prefLabel "irrigación y drenaje"@es, "irrigation and drainage"@en ;
  skos:related nalt:366, nalt:5316, nalt:67 ;
  ns0:marc001 "19730" .

nalt:21741
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:19 ;
  skos:prefLabel "canales de irrigación"@es, "irrigation canals"@en .

nalt:12582
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:19 ;
  skos:prefLabel "sistemas de drenaje"@es, "drainage systems"@en .

nalt:366
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "agricultural machinery and equipment"@en, "maquinaria y equipamiento agrícola"@es ;
  skos:related nalt:19 .

nalt:5316
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "ingeniería agrícola"@es, "agricultural engineering"@en ;
  skos:related nalt:19 .

nalt:21
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:19 ;
  skos:prefLabel "manejo del suelo"@es, "soil management"@en .

nalt:24709
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:19 ;
  skos:prefLabel "irrigación"@es, "irrigation"@en .

nalt:67
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "hidrología"@es, "hydrology"@en ;
  skos:related nalt:19 .