@prefix skos: <http://www.w3.org/2004/02/skos/core#> . <https://stad.gent/id/concept/540013580/2023-09-29T17:53:17.744Z> skos:narrower <https://stad.gent/id/concept/540015643> . <https://stad.gent/id/concept/540015643> skos:prefLabel "Graves Mountain Mines"@nl .