@misc{indiciaea8ee5d3f03af,
  title = {Methodology, results, and significance of an unsaturated-zone tracer test at an artificial-recharge facility, Tucson, Arizona},
  author = {D. D. Graham},
  year = {1989},
  doi = {10.3133/wri894097},
  url = {https://pubs.usgs.gov/publication/wri894097},
  note = {Source identifier: wri894097}
}