@misc{indiciae957048bdffe5,
  title = {Borehole environmental tracers for evaluating net infiltration and recharge through desert bedrock},
  author = {V.M. Heilweil and D. K. Solomon and P.M. Gardner},
  year = {2006},
  doi = {10.2136/vzj2005.0002},
  url = {https://pubs.usgs.gov/publication/70030822},
  note = {Source identifier: 70030822}
}