2024 30 CFR 817.102 – Backfilling and grading: General requirements

2023 30 CFR 817.102 – Backfilling and grading: General requirements

2022 30 CFR 817.102 – Backfilling and grading: General requirements

2021 30 CFR 817.102 – Backfilling and grading: General requirements

2020 30 CFR 817.102 – Backfilling and grading: General requirements

2019 30 CFR 817.102 – Backfilling and grading: General requirements

2016 30 CFR 817.102 – How must I backfill surface excavations and grade and configure the land surface?

2015 30 CFR 817.102 – Backfilling and grading: General requirements

2014 30 CFR 817.102 – Backfilling and grading: General requirements

2010 30 CFR 817.102 – Backfilling and grading: General requirements

2009 30 CFR 817.102 – Backfilling and grading: General requirements