@misc{indiciae7dd74c17ff65,
  title = {Surface water supply of the United States, 1937, Part III, Ohio River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1939},
  doi = {10.3133/wsp823},
  url = {https://pubs.usgs.gov/publication/wsp823},
  note = {Source identifier: wsp823}
}