Collecting Gas at a Boiling Pool
![Image: Collecting Gas at a Boiling Pool](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/Laura_Clor.jpg?itok=Mo6TuFit)
Detailed Description
USGS geologist Laura Clor (right) and Rachel Teasdale (California State University – Chico, left) collect gas samples from a thermal feature at Sulphur Works in Lassen Volcanic National Park.
Sources/Usage
Public Domain.