{"title": "Draft addendum to the 1991 clean air plan environmental impact report", "subject_places": ["California", "San Francisco Bay Area"], "subjects": ["Air", "Air quality management", "Planning", "Pollution", "Qualit\u00e9", "Gestion", "Planification", "Polluants atmosph\u00e9riques"], "key": "/works/OL18210015W", "type": {"key": "/type/work"}, "covers": [14860593], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL15015648A"}}], "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2019-02-04T04:45:35.796090"}, "last_modified": {"type": "/type/datetime", "value": "2025-04-20T04:30:38.100601"}}