@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <https://gcmd.earthdata.nasa.gov/kms#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/44d0ad8f-fe22-4d17-bc47-c0b728a82baf>
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords> ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/37f3fdb8-a82f-4bff-bda4-cca12a683d6f>, <https://gcmd.earthdata.nasa.gov/kms/concept/f9e3595d-29b6-462a-8eb6-a06e5a02b081> ;
  skos:prefLabel "PETROLEUM"@en ;
  skos:definition "Petroleum is a naturally occurring flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights and other liquid organic compounds, that are found in geologic formations beneath the Earth's surface. The name Petroleum covers both naturally occurring unprocessed crude oils and petroleum products that are made up of refined crude oil."@en ;
  skos:changeNote """2013-03-11 12:41:33.0 [tbs1979]  
update Definition (U.S. Environmental Protection Agency); 
update Definition (Petroleum is a naturally occurring flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights and other liquid organic compounds, that are found in geologic formations beneath the Earth's surface. The name Petroleum covers both naturally occurring unprocessed crude oils and petroleum products that are made up of refined crude oil.); 
""", """2013-03-05 10:15:04.0 [tbs1979] Insert Concept 
add narrower relation (PETROLEUM [44d0ad8f-fe22-4d17-bc47-c0b728a82baf,61687] - PETROLEUM VERTICAL/GEOGRAPHIC DISTRIBUTION [f9e3595d-29b6-462a-8eb6-a06e5a02b081,82913]); 
""" ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/e3fa1998-b003-4d55-a92e-16b42ac0fc17> ;
  a skos:Concept ;
  ns0:reference [ ] .

<https://gcmd.earthdata.nasa.gov/kms/concept/37f3fdb8-a82f-4bff-bda4-cca12a683d6f>
  skos:prefLabel "MICROFOSSIL"@en ;
  a skos:Concept ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/44d0ad8f-fe22-4d17-bc47-c0b728a82baf> .

<https://gcmd.earthdata.nasa.gov/kms/concept/f9e3595d-29b6-462a-8eb6-a06e5a02b081>
  skos:prefLabel "PETROLEUM VERTICAL/GEOGRAPHIC DISTRIBUTION"@en ;
  a skos:Concept ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/44d0ad8f-fe22-4d17-bc47-c0b728a82baf> .

<https://gcmd.earthdata.nasa.gov/kms/concept/e3fa1998-b003-4d55-a92e-16b42ac0fc17>
  skos:prefLabel "EARTH GASES/LIQUIDS"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/44d0ad8f-fe22-4d17-bc47-c0b728a82baf> .