{"id":"S2009009370","label":"Hard rock minerals","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009009370","normalized_label":"hard rock minerals","broader":["http://id.loc.gov/authorities/subjects/sh85085614"],"aliases":["Hardrock minerals","Minerals, Hard rock","Minerals, Hardrock","Rock minerals, Hard","Solid minerals"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009009370","provider":"lcsh","revision":"87fdca2661eccc76","taxonomy_revision":"f050b5d4780b1289","title":"Hard rock minerals","url":"/topics/S2009009370","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5531761755761812068","address_version":"morton4x16-v1","coordinates":[0,478,64563,26624],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}