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withdrawn,object_id USCG-2012-0156-0002,USCG,USCG-2012-0156,"Special Local Regulations for Marine Events: Potomac River, National Harbor Access Channel, MD; Withdrawal (Federal Register Publication)",Proposed Rule,Withdrawal,2012-07-19T04:00:00Z,2012,7,2012-07-19T04:00:00Z,,2012-07-19T13:50:09Z,2012-17578,0,0,09000064810a4315 USCG-2012-0156-0001,USCG,USCG-2012-0156,"NPRM: Special Local Regulations: Marine Events; Potomac River, National Harbor Access Channel, MD (Federal Register Publication)",Proposed Rule,Notice of Proposed Rulemaking (NPRM),2012-04-06T04:00:00Z,2012,4,2012-04-06T04:00:00Z,2012-05-22T03:59:59Z,2017-03-10T22:26:10Z,2012-08297,0,0,0900006480feaa86