@misc{indiciaeddf170e653de,
  title = {Altitude of the potentiometric surface in the Mississippi River Valley alluvial aquifer, spring 2020},
  author = {Virginia L. McGuire and Ronald C. Seanor and William H. Asquith and Kellan R. Strauch and Anna M. Nottmeier and Judith C. Thomas and Roland W. Tollett and Wade H. Kress},
  year = {2021},
  doi = {10.3133/sim3478},
  url = {https://pubs.usgs.gov/publication/sim3478},
  note = {Source identifier: sim3478}
}