{"first_publish_date": "1981", "last_modified": {"type": "/type/datetime", "value": "2020-10-21T05:41:59.194171"}, "title": "The future competitive position of coal from the Illinois Basin", "created": {"type": "/type/datetime", "value": "2009-12-10T00:01:14.241132"}, "covers": [9441671], "subject_places": ["Basin", "Middle West", "Illinois"], "lc_classifications": ["TN24.I3 I48 no. 81", "HD9547.I3 I48 no. 81"], "latest_revision": 3, "key": "/works/OL2592834W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL372332A"}}], "dewey_number": ["553/.09773 s", "338.2/724/097735"], "type": {"key": "/type/work"}, "subjects": ["Coal trade", "Coal mines and mining"], "revision": 3}