Drilling and geophysical investigation program for continued evaluation of geotechnical and hydrologic conditions and installation of long-term monitoring instrumentation to support advancement of modifications to the Plan of Operations.
Location
Around and adjacent to the existing Tailings Disposal Facility at Greens Creek Mine, Admiralty Island
Project timeline
1
Scoping Start
05/14/2019
2
Decision
08/2019 (Estimated)
3
Implementation
08/2019 (Estimated)
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (8), 36 Cfr 220.6(E)(8) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Minerals Or Geology Plans Of Operations |
| 2019 Greens Creek Tailings Area Geotechnical Investigations | Decision Signed Date: 08/12/2019 |
| Forests | Tongass National Forest |
| Districts | Admiralty Island National Monument |
| Legal Land Description | Not Applicable |