{"first_publish_date": "1967", "last_modified": {"type": "/type/datetime", "value": "2010-04-28T07:54:43.266997"}, "created": {"type": "/type/datetime", "value": "2009-10-19T23:03:10.133059"}, "title": "An annotated bibliography of observations on Illinois water resources, 1673-1850", "covers": [6024187], "subject_places": ["Illinois"], "lc_classifications": ["HD1694 .A136 no. 12", "Z6004.H9 .A136 no. 12"], "latest_revision": 3, "key": "/works/OL150493W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2077094A"}}], "dewey_number": ["333.9/1/008 s", "016.3339/1/009773"], "subjects": ["Bibliography", "Hydrology", "Physical geography"], "type": {"key": "/type/work"}, "id": 34972658, "revision": 3}