2024 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2023 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2022 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2021 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2020 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2019 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2016 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2015 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2014 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2010 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans

2009 30 CFR 77.1000 – Highwalls, pits and spoil banks; plans