@misc{indiciaeba0a7c7e6b6e,
  title = {Hydrogeology and simulation of ground-water flow in the Silurian-Devonian aquifer system, Johnson County, Iowa},
  author = {Patrick Tucci and Robert M. McKay},
  year = {2006},
  doi = {10.3133/sir20055266},
  url = {https://pubs.usgs.gov/publication/sir20055266},
  note = {Source identifier: sir20055266}
}