{"key": "/works/OL13719085W", "title": "Spirit leveling in North Carolina, 1896 to 1914, inclusive", "subject_places": ["North Carolina"], "first_publish_date": "1916", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL165986A"}}], "type": {"key": "/type/work"}, "subjects": ["Bench-marks", "Surveys", "Altitudes", "Leveling"], "latest_revision": 3, "revision": 3, "created": {"type": "/type/datetime", "value": "2009-12-11T10:25:17.393986"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-21T19:31:31.316114"}}