1. ANSS, 2006. Advanced National Seismic System Global Earthquake Catalog, online at http://quake.geo.berkeley.edu/cnss/catalog-search.html. Accessed in 2006 for Lassen earthquake data through 2005.
2. A hydrologic model based on deep test data from the Walker “O” No. 1 well, Terminal Geyser, California;Beall;Geothermal Resources Council Transactions,1981
3. Teleseismic residual study of the Lassen Volcanic National Park region in California;Berge,1986
4. Gravity anomalies, Quaternary vents, and Quaternary faults in the southern Cascade Range, Oregon and California: implications for arc and backarc evolution;Blakely;Journal of Geophysical Research,1997
5. Seismicity of northern and central California, 1965–1969;Bolt;Bulletin of the Seismological Society America,1971