2024 30 CFR 75.706 – Deenergized underground power circuits; idle days–idle shifts

2023 30 CFR 75.706 – Deenergized underground power circuits; idle days – idle shifts

2022 30 CFR 75.706 – Deenergized underground power circuits; idle days – idle shifts

2021 30 CFR 75.706 – Deenergized underground power circuits; idle days – idle shifts

2020 30 CFR 75.706 – Deenergized underground power circuits; idle days–idle shifts

2019 30 CFR 75.706 – Deenergized underground power circuits; idle days–idle shifts

2016 30 CFR 75.706 – Deenergized underground power circuits; idle days–idle shifts

2015 30 CFR 75.706 – Deenergized underground power circuits; idle days–idle shifts

2014 30 CFR 75.706 – Deenergized underground power circuits; idle days-idle shifts

2010 30 CFR 75.706 – Deenergized underground power circuits; idle days–idle shifts

2009 30 CFR 75.706 – Deenergized underground power circuits; idle days–idle shifts