@misc{indiciae23f9c2e7a571,
  title = {Ground-water hydrology and geology of the lower Great Miami River valley, Ohio},
  author = {A. M. Spieker},
  year = {1968},
  doi = {10.3133/pp605a},
  url = {https://pubs.usgs.gov/publication/pp605A},
  note = {Source identifier: pp605A}
}