# Civil engineering--Early works to 1850 { "id": "S85026334", "title": "Civil engineering--Early works to 1850", "url": "/topics/S85026334", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "1db15d593e9e0e9b", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "903116879076672000", "address_version": "morton4x16-v1", "coordinates": [ 0, 20, 17816, 30720 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85026334 No owner-reviewed local answer yet.