https://regulations.justia.com/regulations/fedreg/agencies/mine-safety-and-health-administration/2019/12/23?registers=between Sun, 28 Apr 2024 00:40:30 -0700 Sun, 28 Apr 2024 00:40:30 -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/2019/12/23?registers=between https://regulations.justia.com/regulations/fedreg/2019/12/23/2019-27574.html https://regulations.justia.com/regulations/fedreg/2019/12/23/2019-27574.html Mon, 23 Dec 2019 00:00:00 -0800 2019-27574 Notice https://www.govinfo.gov/content/pkg/FR-2019-12-23/pdf/2019-27574.pdf