2024 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2023 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2022 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2021 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2020 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2019 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2016 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2015 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2014 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2010 30 CFR 56.1000 – Notification of commencement of operations and closing of mines

2009 30 CFR 56.1000 – Notification of commencement of operations and closing of mines