@misc{indiciaedc9854a7af8c,
  title = {The ground-water-level monitoring network in Iowa},
  author = {R.B. Lambert},
  year = {1992},
  doi = {10.3133/ofr9227},
  url = {https://pubs.usgs.gov/publication/ofr9227},
  note = {Source identifier: ofr9227}
}