https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/02/16?registers=between Sun, 05 May 2024 14:02:19 -0700 Sun, 05 May 2024 14:02:19 -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/2012/02/16?registers=between https://regulations.justia.com/regulations/fedreg/2012/02/16/2012-3614.html https://regulations.justia.com/regulations/fedreg/2012/02/16/2012-3614.html Thu, 16 Feb 2012 00:00:00 -0800 2012-3614 Notice http://www.gpo.gov/fdsys/pkg/FR-2012-02-16/pdf/2012-3614.pdf