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withdrawn,object_id PHMSA-2008-0141-0004,PHMSA,PHMSA-2008-0141,Northern Natural Gas - Certification Statement,Other,Report,2010-10-21T04:00:00Z,2010,10,2010-10-21T04:00:00Z,2025-06-18T03:59:59Z,2025-06-18T18:00:31Z,,0,0,0900006480b729d6 PHMSA-2008-0141-0003,PHMSA,PHMSA-2008-0141,U.S. DOT/PHMSA - See Attachments,Other,Additional Information,2010-04-27T04:00:00Z,2010,4,2010-04-27T04:00:00Z,2025-06-18T03:59:59Z,2025-06-18T18:00:14Z,,0,0,0900006480ade9ed