@misc{indiciae1ca6716131d5,
  title = {Theory and application of an approximate model of saltwater upconing in aquifers},
  author = {C. McElwee and M. Kemblowski},
  year = {1990},
  doi = {10.1016/0022-1694(90)90202-9},
  url = {https://pubs.usgs.gov/publication/70016206},
  note = {Source identifier: 70016206}
}