{"id":"S2004001173","label":"Alkali land conservation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004001173","normalized_label":"alkali land conservation","broader":["http://id.loc.gov/authorities/subjects/sh85090284","http://id.loc.gov/authorities/subjects/sh85124329"],"aliases":["Alkali lands--Conservation","Conservation of alkali lands","Salty-soil conservation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004001173","provider":"lcsh","revision":"163d74cbba2f3e0c","taxonomy_revision":"f050b5d4780b1289","title":"Alkali land conservation","url":"/topics/S2004001173","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5478708396645557826","address_version":"morton4x16-v1","coordinates":[0,477,51846,21504],"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}