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withdrawn,object_id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-2017-0021-0001,MSHA,MSHA-2017-0021,"Petitions for Modification of Application of Existing Mandatory
Safety Standards",Notice,,2017-05-22T04:00:00Z,2017,5,2017-05-22T04:00:00Z,2017-06-22T03:59:59Z,2017-06-15T01:03:36Z,2017-10396,0,0,09000064825f416a