{"id":"S2021000612","label":"Information storage and retrieval systems--Igneous rocks","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2021000612","normalized_label":"information storage and retrieval systems--igneous rocks","broader":[],"aliases":["Igneous rocks--Information storage and retrieval systems"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2021000612","provider":"lcsh","revision":"2503b3625d5b79a2","taxonomy_revision":"f050b5d4780b1289","title":"Information storage and retrieval systems--Igneous rocks","url":"/topics/S2021000612","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14126736509061301314","address_version":"morton4x16-v1","coordinates":[0,481,55318,36864],"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}