Decision Memo Completed

Abandoned Mine Lands - Silver Needle Mine Group Safety Closures

San Juan National Forest La Plata, Colorado Columbine Ranger District

Remediation actions at several mine adits and/or shafts for public safety reasons. Activities could include back-filling with native materials, metal grates, and/or trail re-routes to avoid hazards.

Location

Weminuche Wilderness northeast of Durango: Silver Mesa, Chicago Basin and Vallecito Basin areas.

Project timeline

1
Scoping Start
12/18/2014
2
Decision
10/2018 (Estimated)
3
Implementation
10/2018 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.2 (1), 36 Cfr 220.6(E)(1); 32.2 (8), 36 Cfr 220.6(E)(8)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivityDispersed Recreation Mgmt.; Abandoned Mine Land Clean-Up
Silver Needle Mine Group Safety ClosuresDecision Signed Date: 10/05/2018
ForestsSan Juan National Forest
DistrictsColumbine Ranger District
Legal Land DescriptionT38N R7W, T39N R7W
Recreation managementMinerals and geology