https://regulations.justia.com/regulations/fedreg/agencies/mine-safety-and-health-administration/2018/12/21?registers=between Thu, 02 May 2024 03:38:21 -0700 Thu, 02 May 2024 03:38:21 -0700 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/2018/12/21?registers=between https://regulations.justia.com/regulations/fedreg/2018/12/21/2018-27633.html https://regulations.justia.com/regulations/fedreg/2018/12/21/2018-27633.html Fri, 21 Dec 2018 00:00:00 -0800 2018-27633 Notice https://www.govinfo.gov/content/pkg/FR-2018-12-21/pdf/2018-27633.pdf