2024 30 CFR 77.1502 – Auger holes; restriction against entering

2023 30 CFR 77.1502 – Auger holes; restriction against entering

2022 30 CFR 77.1502 – Auger holes; restriction against entering

2021 30 CFR 77.1502 – Auger holes; restriction against entering

2020 30 CFR 77.1502 – Auger holes; restriction against entering

2019 30 CFR 77.1502 – Auger holes; restriction against entering

2016 30 CFR 77.1502 – Auger holes; restriction against entering

2015 30 CFR 77.1502 – Auger holes; restriction against entering

2014 30 CFR 77.1502 – Auger holes; restriction against entering

2010 30 CFR 77.1502 – Auger holes; restriction against entering

2009 30 CFR 77.1502 – Auger holes; restriction against entering