@misc{indiciae63a20218127e,
  title = {Field and modelling studies of immiscible fluid flow above a contaminated water-table aquifer},
  author = {W.N. Herkelrath and H.I. Essaid and K.M. Hess},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/70016350},
  note = {Source identifier: 70016350}
}