Angie Diefenbach 2018

Angie Diefenbach

Detailed Description

USGS geologist, Angie Diefenbach, preparing to fly into the crater of Mount St. Helens to conduct a gas survey of the 2004-2008 lava dome with a miniature multigas sensor onboard a UAS or "drone".


Image Dimensions: 2320 x 3088

Date Taken:

Location Taken: US