Generalized regional geologic map emphasizing the location
By California Volcano Observatory
2010 (approx.)
![Generalized regional geologic map emphasizing the location, extent, and ages of large volcanic centers including those in Lassen](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/img207_725w_995h.jpg?itok=dEM93bc6)
Detailed Description
Generalized regional geologic map emphasizing the location, extent, and ages of large volcanic centers including those in Lassen Volcanic National Park and vicinity, California.
Sources/Usage
Public Domain.