{"title": "Notes on the Northwest, or valley of the upper Mississippi ..", "covers": [5667901], "first_publish_date": "1846", "key": "/works/OL254202W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2603246A"}}], "type": {"key": "/type/work"}, "subjects": ["Botany"], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-10-23T21:48:12.877526"}, "last_modified": {"type": "/type/datetime", "value": "2024-07-24T10:20:53.836146"}}