@misc{indiciae011eaf4585bf,
  title = {National Water-Quality Assessment Program— Eastern Iowa basins},
  author = {Stephen J. Kalkhoff},
  year = {1994},
  doi = {10.3133/fs03194},
  url = {https://pubs.usgs.gov/publication/fs03194},
  note = {Source identifier: fs03194}
}