@misc{indiciaeff83949b9c98,
  title = {Hydrogeologic characteristics of Hourglass and New Years Cave Lakes at Jewel Cave National Monument, South Dakota, from water-level and water-chemistry data, 2015–21},
  author = {Colton J. Medler},
  year = {2022},
  doi = {10.3133/sir20225108},
  url = {https://pubs.usgs.gov/publication/sir20225108},
  note = {Source identifier: sir20225108}
}