@misc{indiciae573ab34e5a1b,
  title = {A note on drillhole depths required for reliable heat flow determinations},
  author = {David S. Chapman and Jack Howell and John H. Sass},
  year = {1984},
  doi = {10.1016/0040-1951(84)90070-2},
  url = {https://pubs.usgs.gov/publication/70013358},
  note = {Source identifier: 70013358}
}