Decision Memo Completed

2021 Hazardous Mine Closures - Gardiner District

Custer Gallatin National Forest Park, Montana Gardiner Ranger District

The Custer Gallatin AML program proposes to close four abandoned mine features across the Gardiner Ranger District in 2021. These sites consist of open adits and shafts that pose a physical safety hazard to the general public on NFS administered land

Location

Two features in T8S, R13E - Sections 9 & 10; two features in T9S, R14E - sections 24 & 25

Project timeline

1
Scoping Start
04/21/2021
2
Decision
08/2021 (Estimated)
3
Implementation
08/2021 (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
2021 Hazardous Mine Closures - Gardiner DistrictDecision Signed Date: 08/04/2021
ForestsCuster Gallatin National Forest
DistrictsGardiner Ranger District
Legal Land DescriptionT8S, R13E - Sections 9 & 10; T9S, R14E - sections 24 & 25
Minerals and geology