@misc{indiciae8d4083c03a19,
  title = {Estimation of the recharge areas contributing water to the South Well Field, Columbus, Ohio},
  author = {C. W. Schalk},
  year = {1996},
  doi = {10.3133/wri964039},
  url = {https://pubs.usgs.gov/publication/wri964039},
  note = {Source identifier: wri964039}
}