@misc{indiciae9a930e3bb2bd,
  title = {Water resources data, Iowa, water year 2003--Volume 2. Ground water and quality of precipitation},
  author = {G.M. Nalley and S. Michael Linhart and G. R. Littin and V.E. Miller},
  year = {2004},
  doi = {10.3133/wdria032},
  url = {https://pubs.usgs.gov/publication/wdrIA032},
  note = {Source identifier: wdrIA032}
}