USGS geologist uses a UV spectrometer to detect gases from a fumarole
![USGS geologist uses a UV spectrometer to detect gases from fumarole.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/vhp_img439.jpg?itok=8azNuvP4)
Detailed Description
USGS geologist uses a UV spectrometer to detect gases from fumarole at Crater Rock, Mount Hood.
USGS geologist uses a UV spectrometer to detect gases from fumarole at Crater Rock, Mount Hood.