@misc{indiciae0f68f6b63c44,
  title = {Surface water supply of the United States, 1928, Part III, Ohio River basin},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1931},
  doi = {10.3133/wsp663},
  url = {https://pubs.usgs.gov/publication/wsp663},
  note = {Source identifier: wsp663}
}