@misc{indiciae6890a5e6b674,
  title = {The Midwestern Basins and Arches regional aquifer system in parts of Indiana, Ohio, Michigan, and Illinois — Summary},
  author = {Edward F. Bugliosi},
  year = {1999},
  doi = {10.3133/pp1423a},
  url = {https://pubs.usgs.gov/publication/pp1423A},
  note = {Source identifier: pp1423A}
}