{"id":"S85082076","label":"Materials--Erosion","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85082076","normalized_label":"materials--erosion","broader":["http://id.loc.gov/authorities/subjects/sh85082071"],"aliases":["Erosion of materials"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85082076","provider":"lcsh","revision":"e32e39d42884d046","taxonomy_revision":"f050b5d4780b1289","title":"Materials--Erosion","url":"/topics/S85082076","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903042095177418308","address_version":"morton4x16-v1","coordinates":[0,20,18687,28672],"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}