@misc{indiciae5c4c15e00f08,
  title = {Geothermal resource assessment of the United States},
  author = {L.J.P. Muffler and R.L. Christiansen},
  year = {1978},
  doi = {10.1007/bf00879743},
  url = {https://pubs.usgs.gov/publication/70012655},
  note = {Source identifier: 70012655}
}