@misc{indiciaeb3e3c977f3d2,
  title = {Well logging in ground‐water hydrology},
  author = {W.S. Keys},
  year = {2006},
  doi = {10.1111/j.1745-6584.1968.tb01630.x},
  url = {https://pubs.usgs.gov/publication/70221375},
  note = {Source identifier: 70221375}
}