Decision Memo Completed

Tonto East Abandoned Mine Lands Project

Tonto National Forest Gila; Maricopa; Pinal, Arizona Tonto National Forest All Units

Project would close identified abandoned mine features by blocking the openings using various methods including warning signs, fences, sealed mine openings with bat gates, expanding foam, or backfill.

Location

This project includes 61 separate abandoned mine features across the Globe, Mesa, and Tonto Basin Ranger Districts.

Project timeline

1
Scoping Start
04/30/2024
2
Decision
11/2025 (Estimated)
3
Implementation
11/2025 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.2 (6), 36 Cfr 220.6(E)(6)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivityAbandoned Mine Land Clean-Up
Decision Memo Tonto East Abandoned Mine Lands ProjectDecision Signed Date: 11/19/2025
ForestsTonto National Forest
DistrictsGlobe Ranger District; Mesa Ranger District; Tonto Basin Ranger District
Legal Land DescriptionNot Applicable
Minerals and geology