Chapter 69-05.2-21 - Performance Standards - Backfilling and Grading
- Section 69-05.2-21-01 - Performance standards - Backfilling and grading - Timing requirements
- Section 69-05.2-21-02 - Performance standards - Backfilling and grading -Grading requirements
- Section 69-05.2-21-03 - Performance standards - Backfilling and grading - Covering coal, commercial leonardite, and toxic-forming materials
- Section 69-05.2-21-04 - Performance standards - Backfilling and grading - Thin overburden
- Section 69-05.2-21-05 - Performance standards - Backfilling and grading -Slippage and piping zones
- Section 69-05.2-21-06 - Performance standards - Backfilling and grading - Slope measurements
- Section 69-05.2-21-07 - Performance standards - Backfilling and grading -Stabilizing rills and gullies