@misc{indiciae8b5ebb198c7a,
  title = {Characterization and occurrence of confined and unconfined aquifers in Quaternary sediments in the glaciated conterminous United States},
  author = {Richard M. Yager and Leon J. Kauffman and David R. Soller and Adel E. Haj and Paul M. Heisig and Cheryl A. Buchwald and Stephen, M. Westenbroek and James E. Reddy},
  year = {2018},
  doi = {10.3133/sir20185091},
  url = {https://pubs.usgs.gov/publication/sir20185091},
  note = {Source identifier: sir20185091}
}