Taking Measurements at a Thermal Area
(Credit: Fred Murphy, USGS. Public domain.)
Detailed Description
USGS geologist Deborah Bergfeld measures the temperature of a thermal feature near Big Boiler at Bumpass Hell in Lassen Volcanic National Park.
Details
Image Dimensions: 4928 x 3264
Date Taken:
Location Taken: Lassen Volcanic National Park, CA, US