@misc{indiciae24af3c0ef53e,
  title = {Hydrogeology and ground-water quality of confined aquifers in buried valleys in Rock County, Minnesota and Minnehaha County, South Dakota},
  author = {R. J. Lindgren},
  year = {1997},
  doi = {10.3133/wri974029},
  url = {https://pubs.usgs.gov/publication/wri974029},
  note = {Source identifier: wri974029}
}