{"covers": [9982465], "last_modified": {"type": "/type/datetime", "value": "2020-11-03T23:16:10.940808"}, "latest_revision": 3, "key": "/works/OL5220754W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1170483A"}}], "created": {"type": "/type/datetime", "value": "2009-12-10T09:05:58.597803"}, "title": "Corrosion of roof bolt steels in Missouri lead and iron mine waters", "subject_places": ["Missouri"], "subjects": ["Corrosion", "Iron mines and mining", "Lead mines and mining", "Mine roof bolting", "Mine water", "Rock bolts"], "type": {"key": "/type/work"}, "revision": 3}