{"created": {"type": "/type/datetime", "value": "2019-02-17T23:18:09.057803"}, "subjects": ["Geology - Missouri", "Geological time", "Stratigraphic Geology", "Geology"], "latest_revision": 3, "key": "/works/OL18908689W", "title": "Geochronology of Precambrian rocks in the St. Francois Mountains, southeastern Missouri, by M.E. Bickford and D.G. Mose", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2005266A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2020-10-08T04:16:19.911996"}, "covers": [8496306], "revision": 3}