@misc{indiciaefb69717dbcf9,
  title = {Hydrologic and chemical evaluation of the ground-water resources of northwest Elkhart County, Indiana},
  author = {Thomas E. Imbrigiotta and Angel Martin},
  year = {1981},
  doi = {10.3133/wri8153},
  url = {https://pubs.usgs.gov/publication/wri8153},
  note = {Source identifier: wri8153}
}