Decision Memo Completed

Abandoned Mine Closures

Coronado National Forest Pima, Arizona Nogales Ranger District

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

Various locations across the Nogales Ranger District.

Project timeline

1
Scoping Start
07/10/2019
2
Decision
06/2020 (Estimated)
3
Implementation
10/2020 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.2 (8), 36 Cfr 220.6(E)(8)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivityAbandoned Mine Land Clean-Up
Abandoned Mine ClosuresDecision Signed Date: 06/24/2020
ForestsCoronado National Forest
DistrictsNogales Ranger District
Legal Land DescriptionT21S R12E Sec 35; T22S R10E Sec 5,8,22,26,27,36; T22S R11E Sec 31; T23S R10E Sec 13; T23S R11E Sec 6,7,17,19,20,30; T23S R12E Sec 34,35; T24S R12E Sec 2,3.
Minerals and geology