https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2019/09/25?registers=between Thu, 16 May 2024 20:32:13 -0700 Thu, 16 May 2024 20:32:13 -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/2019/09/25?registers=between https://regulations.justia.com/regulations/fedreg/2019/09/25/2019-20733.html https://regulations.justia.com/regulations/fedreg/2019/09/25/2019-20733.html Wed, 25 Sep 2019 00:00:00 -0700 2019-20733 Notice https://www.govinfo.gov/content/pkg/FR-2019-09-25/pdf/2019-20733.pdf