@misc{indiciae171a9d25f43e,
  title = {Preliminary interpretations of geologic results obtained from boreholes UE25a-4,-5,-6, and -7, Yucca Mountain, Nevada Test Site},
  author = {Richard W. Spengler and J. G. Rosenbaum},
  year = {1980},
  doi = {10.3133/ofr80929},
  url = {https://pubs.usgs.gov/publication/ofr80929},
  note = {Source identifier: ofr80929}
}