@misc{indiciaee614632fd528,
  title = {A digital simulation of the glacial-aquifer system in Sanborn and parts of Beadle, Miner, Hanson, Davison, and Jerauld counties, South Dakota},
  author = {P.J. Emmons},
  year = {1988},
  doi = {10.3133/wri874082},
  url = {https://pubs.usgs.gov/publication/wri874082},
  note = {Source identifier: wri874082}
}