@misc{indiciae0eacb5e5d690,
  title = {Wagon-drill sampling by U.S. Geological Survey},
  author = {William Penn Huleatt},
  year = {1952},
  doi = {10.3133/tei217},
  url = {https://pubs.usgs.gov/publication/tei217},
  note = {Source identifier: tei217}
}