30 CFR Part 717
UNDERGROUND MINING GENERAL PERFORMANCE STANDARDS
July 29, 2020
§
717.10
Information collection
§
717.11
General obligations
§
717.12
Signs and markers
§
717.13
[Reserved]
§
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
§
717.16
[Reserved]
§
717.17
Protection of the hydrologic system
§
717.18
Dams constructed of or impounding waste material
§
717.19
[Reserved]
§
717.20
Topsoil handling and revegetation
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