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withdrawn,object_id MSHA-2017-0013-0001,MSHA,MSHA-2017-0013,Petitions for Modifications: Applications of Existing Mandatory Safety Standards,Notice,,2017-03-31T04:00:00Z,2017,3,2017-03-31T04:00:00Z,2017-05-02T03:59:59Z,2017-04-03T15:54:14Z,2017-06340,0,0,090000648253388d