{"covers": [4591737], "last_modified": {"type": "/type/datetime", "value": "2010-12-04T09:34:51.812785"}, "latest_revision": 3, "key": "/works/OL617749W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL47455A"}}], "created": {"type": "/type/datetime", "value": "2009-12-08T06:27:38.155083"}, "title": "Mining and mineral policy; and surface mining control", "subject_places": ["United States"], "subjects": ["Law and legislation", "Mining law", "Ocean mining", "Strip mining"], "type": {"key": "/type/work"}, "revision": 3}