@misc{indiciae204bf4ef74bd,
  title = {Geohydrology and simulated ground-water flow in northwestern Elkhart County, Indiana},
  author = {L. D. Arihood and D.A. Cohen},
  year = {1998},
  doi = {10.3133/wri974204},
  url = {https://pubs.usgs.gov/publication/wri974204},
  note = {Source identifier: wri974204}
}