The ANF proposes permanent closure of an abandoned mine shaft. The shaft collar is unstable, and the surface walls are steep and sheer. This vertical hazard will be mitigated by utilizing polyurethane foam to fill the shaft. Revegetate naturally
Location
See map in posted pdf.
Project timeline
1
Scoping Start
06/12/2020
2
Decision
08/2020 (Estimated)
3
Implementation
08/2020 (Estimated)
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (6), 36 Cfr 220.6(E)(6) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Abandoned Mine Land Clean-Up |
| Unnamed Abandoned Mine Closure | Decision Signed Date: 08/12/2020 |
| Forests | Angeles National Forest |
| Districts | Los Angeles River |
| Legal Land Description | SE of Section 27 of Township 03N Range 14W |