{"lc_classifications": ["QE74 .W6"], "key": "/works/OL1469460W", "created": {"type": "/type/datetime", "value": "2009-12-09T21:37:23.443759"}, "title": "Report upon mineralogical, agricultural, and chemical conditions observed in portions of Colorado, New Mexico, and Arizona", "id": 36647880, "subject_places": ["West (U.S.)"], "first_publish_date": "1875", "latest_revision": 2, "last_modified": {"type": "/type/datetime", "value": "2010-01-30T15:55:10.921392"}, "authors": [{"type": "/type/author_role", "author": {"key": "/authors/OL155394A"}}], "type": {"key": "/type/work"}, "subjects": ["Mineral waters", "Geology", "Mineralogy"], "revision": 2}