2024 30 CFR 817.59 – Coal recovery

2023 30 CFR 817.59 – Coal recovery

2022 30 CFR 817.59 – Coal recovery

2021 30 CFR 817.59 – Coal recovery

2020 30 CFR 817.59 – Coal recovery

2019 30 CFR 817.59 – Coal recovery

2016 30 CFR 817.59 – How must I maximize coal recovery?

2015 30 CFR 817.59 – Coal recovery

2014 30 CFR 817.59 – Coal recovery

2010 30 CFR 817.59 – Coal recovery

2009 30 CFR 817.59 – Coal recovery