@misc{indiciaeaba8068b840c,
  title = {Geohydrologic systems in Kansas: Physical framework of the upper aquifer unit in the western interior plains aquifer system},
  author = {Cristi V. Hansen and Joseph M. Spinazola and E. J. Underwood and R. J. Wolf},
  year = {1992},
  doi = {10.3133/ha722d},
  url = {https://pubs.usgs.gov/publication/ha722D},
  note = {Source identifier: ha722D}
}