@misc{indiciae8e9096d06ed7,
  title = {Mapping groundwater in three dimensions: An analysis of the airborne geophysical surveys of the upper San Pedro River basin, Cochise County, southeastern Arizona with an interpretation of where the groundwater lies},
  author = {Jeffrey C. Wynn},
  year = {2001},
  doi = {10.3133/ofr2000517},
  url = {https://pubs.usgs.gov/publication/ofr2000517},
  note = {Source identifier: ofr2000517}
}