@misc{indiciae111332ae2bb2,
  title = {Contributions to the hydrology of the United States, 1917},
  author = {Nathan C. Grover},
  year = {1919},
  doi = {10.3133/wsp425},
  url = {https://pubs.usgs.gov/publication/wsp425},
  note = {Source identifier: wsp425}
}