Long Valley Caldera
![image related to volcanoes. See description](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/img6873.png?itok=okE0tTvZ)
Detailed Description
View looking northeastward across Long Valley Caldera to Glass Mountain, about 30 km away. Image from USGS Professional Paper 1692. [https://pubs.usgs.gov/pp/pp1692/pp1692.pdf]
Sources/Usage
Public Domain.