Closure of 58 mine features, including shafts, tunnels, and open cuts using bat gates and cupolas, polyurethane foam, and fencing, to secure the workings against threats to human and wildlife safety.
Location
Project is centered on 58 abandoned mine land features on the Sierra Vista Ranger District in Santa Cruz County, AZ, in the Patagonia Mountains.
Project timeline
1
Scoping Start
02/09/2022
2
Decision
02/2023 (Estimated)
3
Implementation
03/2023 (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 |
| Sierra Vista Abandoned Mine Land Closures 2022 | Decision Signed Date: 02/10/2023 |
| Forests | Coronado National Forest |
| Districts | Sierra Vista Ranger District |
| Legal Land Description | T22S R15E Sec 26,35; T22S R16E Sec 22; T23S R15E Sec 1,2,3,10,11,13,23,26,35,36; T23S R16E Sec 15,22,29,31 |