Ken Pierce in the field with large glacial erratic
By Yellowstone Volcano Observatory
2003 (approx.)
![Ken Pierce in the field with a large glacial erratic](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Ken.jpg?itok=HJQbIuF7)
Detailed Description
Ken Pierce in the field with a large glacial erratic in the Clarks Fork moraines taking detailed notes and annotating a map in progress.
Sources/Usage
Public Domain.