{"subject_places": ["Dixon County", "Nebraska"], "subjects": ["Maps", "Soil surveys", "Soils", "Sols", "Cartes"], "key": "/works/OL6535403W", "title": "Soil survey of Dixon County, Nebraska", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1746669A"}}], "type": {"key": "/type/work"}, "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T19:19:42.382132"}, "last_modified": {"type": "/type/datetime", "value": "2025-10-24T13:23:27.936486"}}