@misc{indiciaef633030c7256,
  title = {Altitude of the potentiometric surface in the Mississippi River Valley alluvial aquifer, spring 2018},
  author = {Virginia L. McGuire and Ronald C. Seanor and William H. Asquith and Anna M. Nottmeier and David C. Smith and Roland W. Tollett and Wade H. Kress and Kellan R. Strauch},
  year = {2020},
  doi = {10.3133/sim3453},
  url = {https://pubs.usgs.gov/publication/sim3453},
  note = {Source identifier: sim3453}
}