@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/9b547aa7-4980-42dc-9f6b-4d35e2cc625c>
  skos:definition """ECHO SOUNDERS are devices that use sound waves to measure the
depth of surface water bodies."""@en ;
  skos:prefLabel "ECHO SOUNDERS"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments> ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/ba25756b-6326-4746-a20d-63db582a5f3f> ;
  a skos:Concept .

<https://gcmd.earthdata.nasa.gov/kms/concept/ba25756b-6326-4746-a20d-63db582a5f3f>
  skos:prefLabel "Acoustic Sounders"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/9b547aa7-4980-42dc-9f6b-4d35e2cc625c> .