{"first_publish_date": "1972", "key": "/works/OL1568897W", "created": {"type": "/type/datetime", "value": "2009-12-09T21:53:30.316305"}, "title": "Distribution of the Middle Ordovician Copenhagen formation and its trilobites in Nevada", "id": 36747272, "subject_places": ["Nevada"], "lc_classifications": ["QE821 .R572"], "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-31T04:04:53.352637"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL168506A"}}], "subject_times": ["Ordovician"], "subjects": ["Paleontology", "Trilobites"], "type": {"key": "/type/work"}, "dewey_number": ["565/.393/09793"], "revision": 2}