{"created": {"type": "/type/datetime", "value": "2009-12-11T02:54:19.991108"}, "title": "Updated database and mine locations for metallic mineral districts and mines of the Black Hills, South Dakota and Wyoming", "id": 45564276, "subject_places": ["Black Hills (S.D. and Wyo.)"], "last_modified": {"type": "/type/datetime", "value": "2010-01-16T22:24:42.605888"}, "latest_revision": 2, "key": "/works/OL10394355W", "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL4310077A"}}], "type": {"key": "/type/work"}, "subjects": ["Databases", "Black Hills (S.D. and Wyo.)", "Mines and mineral resources", "Ore deposits"], "revision": 2}