Dan Dzurisin
By Yellowstone
2002 (approx.)
![Dan Dzurisin conducting a leveling survey at Newberry Volcano](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/img7882.jpg?itok=5Hxh9A65)
Detailed Description
Dan Dzurisin, of the Cascades Volcano Observatory, conducting a leveling survey at Newberry Volcano, Oregon, in 2002.
Sources/Usage
Public Domain.