@misc{indiciae9a3eb3673198,
  title = {Ground-water research of the U.S. Geological Survey},
  author = {Charles L. McGuinness},
  year = {1964},
  doi = {10.3133/cir492},
  url = {https://pubs.usgs.gov/publication/cir492},
  note = {Source identifier: cir492}
}