https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2007/07/18?registers=between Wed, 01 May 2024 02:34:50 -0700 Wed, 01 May 2024 02:34:50 -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/2007/07/18?registers=between https://regulations.justia.com/regulations/fedreg/2007/07/18/E7-13921.html https://regulations.justia.com/regulations/fedreg/2007/07/18/E7-13921.html Wed, 18 Jul 2007 00:00:00 -0700 E7-13921 Notice http://www.gpo.gov/fdsys/pkg/FR-2007-07-18/pdf/E7-13921.pdf