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withdrawn,object_id MSHA-2014-0029-0026,MSHA,MSHA-2014-0029,Request for Information to Improve the Health and Safety of Miners and to Prevent Accidents in Underground Coal Mines,Proposed Rule,,2015-04-22T04:00:00Z,2015,4,2015-04-22T04:00:00Z,2015-06-27T03:59:59Z,2015-06-27T01:31:14Z,2015-09246,0,0,0900006481ab36c4 MSHA-2014-0029-0001,MSHA,MSHA-2014-0029,Requests for Information: Improving the Health and Safety of Miners and to Prevent Accidents in Underground Coal Mine,Proposed Rule,,2015-02-26T05:00:00Z,2015,2,2015-02-26T05:00:00Z,2015-04-28T03:59:59Z,2015-06-27T20:55:29Z,2015-03982,0,0,0900006481a1907c