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- Energy Information Administration. "Electricity Consumption by End Use in U.S. Households, 2001." July 14, 2005. (5/7/2009) http://www.eia.doe.gov/emeu/reps/enduse/er01_us_tab1.html
- Energy Information Administration. "Electricity Net Generation From Renewable Energy by Energy Use Sector and Energy Source." May 2008. (5/7/2009) http://www.eia.doe.gov/cneaf/alternate/page/renew_energy_consump/table3.html
- Engeler, Elaine and Alexander G. Higgins (Associated Press). "Hot Rocks in Earth's Crust Raise Hope for Clean Energy, Quake Concerns." The Boston Globe. Aug. 15, 2007. (5/7/2009) http://www.boston.com/news/world/europe/articles/2007/08/15/hot_rocks_in_earths_crust_raise_hope_for_clean_energy_quake_concerns/
- Haring, Markus et al. "Deep Heat Mining Base, Preliminary Results." 2007. (5/7/2009) http://www.geothermal.ch/fileadmin/docs/downloads/dhm_egc300507.pdf
- Rose, Peter. Personal interview. Conducted 4/26/2009.
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- Tester, Jefferson et. al. "The Future of Geothermal Energy." 2006. (4/22/2009) http://www1.eere.energy.gov/geothermal/future_geothermal.html
- U.S. Geological Survey. "Magnitude/Intensity Comparison." February 18, 2009. (5/7/2009) http://earthquake.usgs.gov/learning/topics/mag_vs_int.php