@misc{indiciae96c47cca5565,
  title = {Water resources data for Iowa, water year 1972},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/wdria721},
  url = {https://pubs.usgs.gov/publication/wdrIA721},
  note = {Source identifier: wdrIA721}
}