{"lc_classifications": ["GB1225.M5 H46"], "key": "/works/OL1569376W", "created": {"type": "/type/datetime", "value": "2009-12-09T21:53:40.390159"}, "title": "Hydrology and recreation on the cold-water rivers of Michigan's southern peninsula", "id": 36747751, "subject_places": ["Michigan"], "first_publish_date": "1972", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-31T04:04:53.352637"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL168606A"}}], "dewey_number": ["333.9/102/09774"], "type": {"key": "/type/work"}, "subjects": ["Recreation", "Rivers"], "revision": 2}