https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2013/09/27?registers=between Sat, 27 Apr 2024 04:43:09 -0700 Sat, 27 Apr 2024 04:43:09 -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/2013/09/27?registers=between https://regulations.justia.com/regulations/fedreg/2013/09/27/2013-23568.html https://regulations.justia.com/regulations/fedreg/2013/09/27/2013-23568.html Fri, 27 Sep 2013 00:00:00 -0700 2013-23568 Notice http://www.gpo.gov/fdsys/pkg/FR-2013-09-27/pdf/2013-23568.pdf