2024 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2023 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2022 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2021 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2020 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2019 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2016 30 CFR 816.56 – What additional performance standards apply to mining activities conducted in or through an ephemeral stream?

2015 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2014 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2010 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities

2009 30 CFR 816.56 – Postmining rehabilitation of sedimentation ponds, diversions, impoundments, and treatment facilities