Versions of 30 CFR Part 77 - Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines on LawServer 2024 30 CFR Part 77 – Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines 2023 30 CFR PART 77 – MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES 2022 30 CFR Part 77 – Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines 2021 30 CFR Part 77 – Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines 2020 30 CFR Part 77 – Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines
