Decision Memo Completed

North York Seismic Survey

Medicine Bow-Routt National Forests & Thunder Basin National Grassland Campbell, Wyoming Douglas and Thunder Basin Ranger District

3-D seismic exploration of petroleum would include shothole drilling situated along existing roads to approximately 70 feet depth at intervals over an 88.5 acre area and use of explosive charges in shotholes. Drill holes would be plugged afterward.

Location

Thunder Basin National Grassland

Project timeline

1
Scoping Start
11/09/2017
2
Decision
12/2017 (Estimated)
3
Implementation
12/2017 (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
Paragon Geophysical Services, Inc. North York 3D Seismic SurveyDecision Signed Date: 12/08/2017
ForestsMedicine Bow-Routt National Forest
DistrictsDouglas and Thunder Basin Ranger District
Legal Land DescriptionSection 32 T54N R69W, 6th P.M.
Minerals and geology