Decision Memo Completed

SMC East Boulder Mine - Dry Fork Baseline Monitoring Wells

Custer Gallatin National Forest Sweet Grass, Montana Yellowstone Ranger District

Installation of two groundwater monitoring wells at SMC's East Boulder Mine to collect baseline groundwater quality/quantity data north of the East Boulder River in the Dry Fork Drainage.

Location

NE 1/4, SW 1/4 Township 04 South, Range 13 E, Section 02 P.M. Montana

Project timeline

1
Scoping Start
08/02/2021
2
Comment Period
08/02/2021
3
Decision
08/2021 (Estimated)
4
Implementation
09/2021 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.12 (8), 36 Cfr 220.6(D)(8)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivitySpecial Use Authorizations; Minerals Or Geology Plans Of Operations
SMC East Boulder Mine - Dry Fork Baseline Monitoring WellsDecision Signed Date: 08/30/2021
ForestsCuster Gallatin National Forest
DistrictsYellowstone Ranger District
Legal Land DescriptionNE 1/4, SW 1/4 Township 04 South, Range 13 E, Section 02 P.M. Montana
Minerals and geologySpecial use management