@misc{indiciaefaaa5d887077,
  title = {Iowa: a summary of water-resources activities of the United States Department of the Interior Geological Survey},
  author = {R.A. Karsten},
  year = {1985},
  doi = {10.3133/70169936},
  url = {https://pubs.usgs.gov/publication/70169936},
  note = {Source identifier: 70169936}
}