{"created": {"type": "/type/datetime", "value": "2009-12-11T03:54:33.039096"}, "subject_places": ["Mississippi River"], "subjects": ["Public works", "Dredging"], "latest_revision": 4, "key": "/works/OL11035790W", "title": "Improvement of the Mississippi River. Letter from the Secretary of State of the State of Missouri, transmitting a concurrent resolution of the General Assembly asking for an appropriation for the improvement of the Mississippi River", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4521280A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2012-05-02T19:14:14.935071"}, "revision": 4}