Taking Measurements at a Thermal Area
![Image: Taking Measurements at a Thermal Area](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/Bergfeld_Temp.jpg?itok=9xg-PP9c)
Detailed Description
USGS geologist Deborah Bergfeld measures the temperature of a thermal feature near Big Boiler at Bumpass Hell in Lassen Volcanic National Park.
Sources/Usage
Public Domain.
USGS geologist Deborah Bergfeld measures the temperature of a thermal feature near Big Boiler at Bumpass Hell in Lassen Volcanic National Park.
Public Domain.