@misc{indiciae2e4f08951140,
  title = {Surface water supply of the United States, 1918, Part III, Ohio River basin},
  author = {Nathan C. Grover and Albert H. Horton and C. G. Paulsen},
  year = {1922},
  doi = {10.3133/wsp473},
  url = {https://pubs.usgs.gov/publication/wsp473},
  note = {Source identifier: wsp473}
}