@misc{indiciae9c8874be7569,
  title = {Hydrogeology of the Zarzia area, Tunisia},
  author = {R.C. Vorhis},
  year = {1959},
  doi = {10.3133/ofr59122},
  url = {https://pubs.usgs.gov/publication/ofr59122},
  note = {Source identifier: ofr59122}
}