{"id":"S2008009729","label":"Millstone grit","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008009729","normalized_label":"millstone grit","broader":["http://id.loc.gov/authorities/subjects/sh85114767","http://id.loc.gov/authorities/subjects/sh85114774","http://id.loc.gov/authorities/subjects/sh85117245"],"aliases":["Grit (Rock)","Gritstone"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008009729","provider":"lcsh","revision":"6244bf87d4a00240","taxonomy_revision":"f050b5d4780b1289","title":"Millstone grit","url":"/topics/S2008009729","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4630910180950155808","address_version":"morton4x16-v1","coordinates":[0,478,48944,1024],"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}