USGS scientist waits for helicopter pick-up in Mount St. Helens crater
![USGS scientist waits for helicopter pick-up in the crater of Mount ...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/vhp_img5929.jpg?itok=Uo3oE_lu)
Detailed Description
USGS-CVO Research Geologist Peter Kelly communicates with the helicopter pilot and prepares for pick-up, on the new dome within the crater of Mount St. Helens.
Sources/Usage
Public Domain.