{"title": "Water Quality in the Eastern Iowa Basins, Iowa and Minnesota, 1996-98 (U.S. Geological Survey Circular, 1210)", "subjects": ["Watersheds", "Water quality"], "key": "/works/OL7994182W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL79165A"}}], "type": {"key": "/type/work"}, "covers": [11741309], "latest_revision": 7, "revision": 7, "created": {"type": "/type/datetime", "value": "2009-12-10T22:16:48.690046"}, "last_modified": {"type": "/type/datetime", "value": "2021-08-21T09:16:58.083221"}}