@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:146328
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2011-06-10"^^xsd:date ;
  dc:modified "2019-03-22"^^xsd:date ;
  skos:altLabel "sewers"@en ;
  skos:broader nalt:5857 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:146329, nalt:146331, nalt:146332 ;
  skos:prefLabel "alcantarillados"@es, "sewer systems"@en ;
  skos:related nalt:156845, nalt:64238, nalt:62959, nalt:2724, nalt:37468 ;
  ns0:marc001 "60114" .

nalt:146332
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:146328 ;
  skos:prefLabel "alcantarillados combinados"@es, "combined sewer systems"@en .

nalt:146331
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:146328 ;
  skos:prefLabel "alcantarillados pluviales"@es, "stormwater sewer systems"@en .

nalt:156845
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "aguas grises"@es, "greywater"@en ;
  skos:related nalt:146328 .

nalt:64238
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "manejo de agua de tormenta"@es, "stormwater management"@en ;
  skos:related nalt:146328 .

nalt:146329
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:146328 ;
  skos:prefLabel "alcantarillados sanitarios"@es, "sewage systems"@en .

nalt:37468
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "sistemas sépticos"@es, "septic systems"@en ;
  skos:related nalt:146328 .

nalt:2724
  a ns0:Product, skos:Concept ;
  skos:prefLabel "agua residual"@es, "wastewater"@en ;
  skos:related nalt:146328 .

nalt:62959
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "tratamiento de aguas servidas"@es, "sewage treatment"@en ;
  skos:related nalt:146328 .

nalt:5857
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:146328 ;
  skos:prefLabel "tecnología medioambiental"@es, "environmental technology"@en .