@misc{indiciaef75ef217bbe8,
  title = {Factors affecting areas contributing recharge to wells in shallow aquifers},
  author = {Thomas E. Reilly and David W. Pollock},
  year = {1993},
  doi = {10.3133/wsp2412},
  url = {https://pubs.usgs.gov/publication/wsp2412},
  note = {Source identifier: wsp2412}
}