@misc{indiciae3dc884449af3,
  title = {Unsaturated zone tracer test at a crude oil spill site},
  author = {G. N. Delin and W.N. Herkelrath},
  year = {2004},
  url = {https://pubs.usgs.gov/publication/70170063},
  note = {Source identifier: 70170063}
}