{"created": {"type": "/type/datetime", "value": "2009-12-11T03:33:04.205303"}, "subject_places": ["Pacific Northwest"], "subjects": ["Explorations and surveys", "Northern Pacific Railroad Company", "Pacific railroads", "Railroads", "Surveying"], "latest_revision": 3, "key": "/works/OL10763522W", "title": "Correspondence of the Office of Explorations and Surveys concerning Isaac Stevens' survey of a northern route for the Pacific railway, 1853-1861", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL4498423A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-03T18:30:13.474945"}, "revision": 3}