CalVO geologists Duane Champion and Drew Downs collect paleomagneti...
By Volcano Hazards Program
1905 (approx.)
![CalVO geologists Duane Champion and Drew Downs collect paleomagneti...](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/vhp_img5013.jpg?itok=_Dmy3pS4)
Detailed Description
CalVO geologists Duane Champion and Drew Downs collect paleomagnetic samples from basalt lava flows at Eagle Lake