@misc{indiciae1ea16418e7c2,
  title = {Surface water records of Iowa 1964},
  author = {U.S. Geological Survey},
  year = {1964},
  doi = {10.3133/70168618},
  url = {https://pubs.usgs.gov/publication/70168618},
  note = {Source identifier: 70168618}
}