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withdrawn,object_id PHMSA-2008-0141-0009,PHMSA,PHMSA-2008-0141,Pipeline Safety; Request for Special Permit: Northern Natural Gas Co.,Notice,Notice of Intent,2019-12-13T05:00:00Z,2019,12,2019-12-13T05:00:00Z,2020-01-14T04:59:59Z,2025-06-18T18:01:45Z,2019-26896,0,0,090000648420dde7 PHMSA-2008-0141-0008,PHMSA,PHMSA-2008-0141,Northern Natural Gas - Application Letter with Special Permit Conditions,Other,Special Permit,2019-12-09T05:00:00Z,2019,12,2019-12-09T05:00:00Z,2025-06-18T03:59:59Z,2025-06-18T18:01:26Z,,0,0,09000064841f7a5c PHMSA-2008-0141-0007,PHMSA,PHMSA-2008-0141,Northern Natural Gas - Special Permit Renewal Application Letter,Other,Special Permit,2019-12-09T05:00:00Z,2019,12,2019-12-09T05:00:00Z,2025-06-18T03:59:59Z,2025-06-18T18:01:07Z,,0,0,09000064841f78ea