Below are some links to related Web sites.

Geologic Map of Newberry Volcano, Deschutes, Klamath, and Lake Counties, Oregon  - U.S. Geological Survey Miscellaneous Investigations Series Map I-2455

Newberry Volcano, Oregon  - U.S. Geological Survey

Volcano Hazards Program Home Page  - U.S. Geological Survey

Cascades Volcano Observatory Home Page  - U.S. Geological Survey