@misc{indiciae175ee9428ecd,
  title = {Geohydrology of Muscatine Island, Muscatine County, Iowa},
  author = {R.E. Hansen and W. L. Steinhilber},
  year = {1977},
  url = {https://pubs.usgs.gov/publication/70168651},
  note = {Source identifier: 70168651}
}