@misc{indiciae6b85b3cd9212,
  title = {Drilling techniques presently in use by the Geothermal Studies Project, U.S. Geological Survey},
  author = {Thomas H. Moses and J.H. Sass},
  year = {1979},
  doi = {10.3133/ofr79763},
  url = {https://pubs.usgs.gov/publication/ofr79763},
  note = {Source identifier: ofr79763}
}