@misc{indiciaee0d11800de4c,
  title = {Recent advances in the hydrostratigraphy of paleozoic bedrock in the midwestern united states},
  author = {K. R. Bradbury and Anthony C. Runkel},
  year = {2011},
  doi = {10.1130/g122a.1},
  url = {https://pubs.usgs.gov/publication/70034530},
  note = {Source identifier: 70034530}
}