https://regulations.justia.com/regulations/fedreg/agencies/office-of-surface-mining-reclamation-and-enforcement/2021/04/22?registers=between Fri, 27 Jun 2025 15:35:42 -0700 Fri, 27 Jun 2025 15:35:42 -0700 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/office-of-surface-mining-reclamation-and-enforcement/2021/04/22?registers=between https://regulations.justia.com/regulations/fedreg/2021/04/22/2021-08331.html https://regulations.justia.com/regulations/fedreg/2021/04/22/2021-08331.html Thu, 22 Apr 2021 00:00:00 -0700 2021-08331 Proposed Rule https://www.govinfo.gov/content/pkg/FR-2021-04-22/pdf/2021-08331.pdf