{"id":"S85110733","label":"Radioisotopes in engineering geology","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110733","normalized_label":"radioisotopes in engineering geology","broader":["http://id.loc.gov/authorities/subjects/sh85043221"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110733","provider":"lcsh","revision":"a98b54e5a1d2d4e9","taxonomy_revision":"f050b5d4780b1289","title":"Radioisotopes in engineering geology","url":"/topics/S85110733","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326590413777815108","address_version":"morton4x16-v1","coordinates":[0,20,19135,13312],"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}