@misc{indiciae1a6eb92a6973,
  title = {Quantifying the undiscovered geothermal resources of the United States},
  author = {Colin F. Williams and Marshall J. Reed and Jacob DeAngelo and S. Peter Galanis},
  year = {2009},
  url = {https://pubs.usgs.gov/publication/70158979},
  note = {Source identifier: 70158979}
}