https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2013/05/24?registers=between Sat, 04 May 2024 00:50:04 -0700 Sat, 04 May 2024 00:50:04 -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/2013/05/24?registers=between https://regulations.justia.com/regulations/fedreg/2013/05/24/2013-12398.html https://regulations.justia.com/regulations/fedreg/2013/05/24/2013-12398.html Fri, 24 May 2013 00:00:00 -0700 2013-12398 Notice http://www.gpo.gov/fdsys/pkg/FR-2013-05-24/pdf/2013-12398.pdf