@misc{indiciae5fb75453efff,
  title = {Methods for regional assessment of geothermal resources},
  author = {L. J. Patrick Muffler and R. Cataldi},
  year = {1977},
  doi = {10.3133/ofr77870},
  url = {https://pubs.usgs.gov/publication/ofr77870},
  note = {Source identifier: ofr77870}
}