{"database": "openregs", "table": "documents", "rows": [["MSHA-2010-0007-0216", "MSHA", "MSHA-2010-0007", "Proposed Rule, Reopening of Record, Request for Comments, Notice of Public Hearings, Correction, Close of Record. \"Determination of Concentration of Respirable Coal Mine Dust\" (2003) U.S. Department of Labor and U.S. Department of Health and Human Services", "Supporting & Related Material", "None", "2011-04-15T04:00:00Z", 2011, 4, null, null, "2011-06-11T16:47:17Z", null, 0, 0, "0900006480c2e0aa"]], "columns": ["id", "agency_id", "docket_id", "title", "document_type", "subtype", "posted_date", "posted_year", "posted_month", "comment_start_date", "comment_end_date", "last_modified", "fr_doc_num", "open_for_comment", "withdrawn", "object_id"], "primary_keys": ["id"], "primary_key_values": ["MSHA-2010-0007-0216"], "units": {}, "query_ms": 148.61679286696017, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}