"Newberry Volcano EGS Demonstration". U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy (EERE). Archived from the original on 7 April 2011. Retrieved 2011-03-19.
"Newberry Volcano EGS Demonstration". U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy (EERE). Archived from the original on 7 April 2011. Retrieved 2011-03-19.