@misc{indiciae8e378cd55e4d,
  title = {MODFLOW-2000 : the U.S. Geological Survey modular ground-water model--documentation of the Advective-Transport Observation (ADV2) Package},
  author = {Evan R. Anderman and Mary Catherine Hill},
  year = {2001},
  doi = {10.3133/ofr0154},
  url = {https://pubs.usgs.gov/publication/ofr0154},
  note = {Source identifier: ofr0154}
}