Stillwater Mining Company, East Boulder Mine Amendment 004 Expansion EIS
Stillwater Mining Company - East Boulder Mine, proposes an expansion of their surface facilities to include a new Tailings Storage Facility and new Waste Rock Storage Facility with associated infrastructure.
Location Summary
The East Boulder Mine is located in Sweet Grass County, approximately 16 miles south of McLeod, MT on NFS Road #205 in the East Boulder drainage.
District: Yellowstone Ranger District
Project Milestones
| Milestone | Date |
|---|---|
| NOI in Federal Register | 05/27/2022 |
| DEIS NOA in Federal Register | 06/23/2023 |
| FEIS NOA in Federal Register | 08/09/2024 |
| Objection Period Start | 11/27/2023 |
| Decision | 08/30/2024 |
| Implementation | 01/2025 (Estimated) |
Project Documents
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