@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

nalt:213766_def
  rdf:value "Capa de suelo endurecida del horizonte A inferior o del horizonte B, producida por la cementación de partículas del suelo con materia orgánica o con materiales como sílice o carbonato cálcico. Su dureza no es modificada en forma apreciable mediante cambios en el contenido de humedad y ninguna de las partes de la capa dura se desintegra en el agua."@es, "A hardened soil layer in the lower A or in the B horizon caused by cementation of soil particles with organic matter or with materials such as silica or calcium carbonate. The hardness does not change appreciably with changes in moisture content, and pieces of the hard layer do not disintegrate in water."@en ;
  dc:source "Schwarz, Charles F.; Thor, Edward C.; Elsner, Gary H. 1976. Wildland planning glossary. Gen. Tech. Rep. PSW-13. Berkeley, Calif.: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station" ;
  a <https://lod.nal.usda.gov/naltv#Definition> .

nalt:213766
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "hardpans"@en, "toscas"@es ;
  dc:created "2014-04-07"^^xsd:date ;
  skos:broader nalt:1558 ;
  ns0:marc001 "67699" ;
  skos:narrower nalt:306927 ;
  skos:definition nalt:213766_def ;
  skos:hiddenLabel "hardpan"@en ;
  dc:modified "2017-08-16"^^xsd:date .

ns0:Topic
  rdfs:label "Topic"@en ;
  a owl:Class .

nalt:306927
  skos:prefLabel "duripán"@es, "duripans"@en ;
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:213766 .

nalt:1558
  skos:prefLabel "horizontes del suelo"@es, "soil horizons"@en ;
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:213766 .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .