Environmental Assessment Completed

Special Use Permit for Research: Investigating Magma under Mount St. Helens (iMUSH)

Gifford Pinchot National Forest Clark; Cowlitz; Lewis; Skamania; Yakima, Washington Gifford Pinchot National Forest All Units

A team of researchers are requesting a special use permit to conduct a series of geophysical experiments on the Forest. The objective is to obtain high-resolution data of the magmatic plumbing system underground the Cascades.

Location

Sites are distributed throughout the forest.

Project timeline

1
Scoping Start
07/19/2013
2
Comment Period
04/03/2014
3
Objection Period Start
05/16/2014
4
Decision
07/2014 (Estimated)
5
Implementation
07/2014 (Estimated)

NEPA / regulatory detail

Special AuthorityNot Applicable / Other
Notice and Comment Regulation218 (2013) Non-HFRA
Project ActivitySpecial Use Authorizations; Research And Development
iMush Decision NoticeDecision Signed Date: 07/08/2014 Legal Notice Date: 07/08/2014
ForestsGifford Pinchot National Forest
DistrictsGifford Pinchot National Forest All Units
Legal Land DescriptionNot Applicable
Special use managementResearch