@misc{indiciaecdf6f84b9eaa,
  title = {Determining the mean hydraulic gradient of ground water affected by tidal fluctuations},
  author = {Michael E. Serfes},
  year = {2005},
  doi = {10.1111/j.1745-6584.1991.tb00546.x},
  url = {https://pubs.usgs.gov/publication/70016699},
  note = {Source identifier: 70016699}
}