Decision Memo Completed

Swakane Canyon Fault Investigation

Okanogan-Wenatchee National Forest Chelan, Washington Entiat Ranger District

Issue a permit to excavate two hand dug trenches across the Swakane Canyon scarp to assess potential earthquake activity.

Location

The east side of Swakane Canyon and one mile west of Mosquito Ridge.

Project timeline

1
Scoping Start
08/02/2015
2
Decision
09/2015 (Estimated)
3
Implementation
09/2015 (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 ActivityMinerals Or Geology Plans Of Operations
Swakane Canyon Fault InvestigationDecision Signed Date: 09/07/2015
ForestsOkanogan-Wenatchee National Forest
DistrictsEntiat Ranger District
Legal Land DescriptionT25N R19E section 27, 37, 35
Minerals and geology