@misc{indiciaea602f6563d1a,
  title = {Contributions to the hydrology of the United States, 1925},
  author = {Nathan Clifford Grover},
  year = {1925},
  doi = {10.3133/wsp560},
  url = {https://pubs.usgs.gov/publication/wsp560},
  note = {Source identifier: wsp560}
}