https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2014/06/03?registers=between Thu, 02 May 2024 00:14:24 -0700 Thu, 02 May 2024 00:14:24 -0700 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2014/06/03?registers=between https://regulations.justia.com/regulations/fedreg/2014/06/03/2014-12749.html https://regulations.justia.com/regulations/fedreg/2014/06/03/2014-12749.html Tue, 03 Jun 2014 00:00:00 -0700 2014-12749 Proposed Rule http://www.gpo.gov/fdsys/pkg/FR-2014-06-03/pdf/2014-12749.pdf