https://regulations.justia.com/regulations/fedreg/agencies/mine-safety-and-health-administration/2018/08/20?registers=between Tue, 07 May 2024 00:50:13 -0700 Tue, 07 May 2024 00:50:13 -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/2018/08/20?registers=between https://regulations.justia.com/regulations/fedreg/2018/08/20/2018-17886.html https://regulations.justia.com/regulations/fedreg/2018/08/20/2018-17886.html Mon, 20 Aug 2018 00:00:00 -0700 2018-17886 Notice https://www.gpo.gov/fdsys/pkg/FR-2018-08-20/pdf/2018-17886.pdf