Below are some links to related websites.

Potential Hazards from Future Volcanic Eruptions in California - U.S. Geological Survey Bulletin 1847

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

Long Valley Observatory Home Page  - U.S. Geological Survey

Volcano Hazards Assessment for Medicine Lake Volcano, Northern California  - U.S. Geological Survey
Scientific Investigations Report 2007-5174-A

Response Plan for Volcano Hazards in the Long Valley Caldera and Mono Craters Region, California  - U.S. Geological Survey Bulletin 2185