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Authorized headings		Type of heading	Records
Término temático: Geologia economica see also: Aceites minerales (Narrower heading) Canteras (Narrower heading) Carbon (Narrower heading) Gas natural (Narrower heading) Geologia aplicada (Narrower heading) Geologia de minas (Narrower heading) Geologia del petroleo (Narrower heading) Grafito (Narrower heading) Minas (Narrower heading) Minerales (Narrower heading) Piedra (Narrower heading) Piedras de construccion (Narrower heading) Suelos (Narrower heading)	Details	Término temático	0 records