https://regulations.justia.com/regulations/fedreg/agencies/mine-safety-and-health-administration/2017/12/27?registers=between Fri, 22 Nov 2024 02:56:11 -0800 Fri, 22 Nov 2024 02:56:11 -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/2017/12/27?registers=between https://regulations.justia.com/regulations/fedreg/2017/12/27/2017-27850.html https://regulations.justia.com/regulations/fedreg/2017/12/27/2017-27850.html Wed, 27 Dec 2017 00:00:00 -0800 2017-27850 Notice https://www.gpo.gov/fdsys/pkg/FR-2017-12-27/pdf/2017-27850.pdf