https://regulations.justia.com/regulations/fedreg/agencies/mine-safety-and-health-administration/2013/09/27?registers=between Sun, 22 Dec 2024 12:10:56 -0800 Sun, 22 Dec 2024 12:10:56 -0800 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/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