https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/02/14?registers=between Mon, 20 May 2024 08:40:43 -0700 Mon, 20 May 2024 08:40:43 -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/2012/02/14?registers=between https://regulations.justia.com/regulations/fedreg/2012/02/14/2012-3341.html https://regulations.justia.com/regulations/fedreg/2012/02/14/2012-3341.html Tue, 14 Feb 2012 00:00:00 -0800 2012-3341 Notice http://www.gpo.gov/fdsys/pkg/FR-2012-02-14/pdf/2012-3341.pdf