@misc{indiciae1afcfdf4ca4c,
  title = {Surface water supply of the United States, 1958, Part 3-A, Ohio River basin except Cumberland and Tennessee River basins},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1960},
  doi = {10.3133/wsp1555},
  url = {https://pubs.usgs.gov/publication/wsp1555},
  note = {Source identifier: wsp1555}
}