https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/12/07?registers=between Sat, 04 May 2024 07:23:18 -0700 Sat, 04 May 2024 07:23:18 -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/2012/12/07?registers=between https://regulations.justia.com/regulations/fedreg/2012/12/07/2012-29585.html https://regulations.justia.com/regulations/fedreg/2012/12/07/2012-29585.html Fri, 07 Dec 2012 00:00:00 -0800 2012-29585 Notice http://www.gpo.gov/fdsys/pkg/FR-2012-12-07/pdf/2012-29585.pdf