PART 717—UNDERGROUND MINING GENERAL PERFORMANCE STANDARDS
- 717.10—Information collection.
- 717.11—General obligations.
- 717.12—Signs and markers.
- 717.14—Backfilling and grading of road cuts, mine entry area cuts, and other surface work areas.
- 717.15—Disposal of excess rock and earth materials on surface areas.
- 717.17—Protection of the hydrologic system.
- 717.18—Dams constructed of or impounding waste material.
- 717.20—Topsoil handling and revegetation.