@misc{indiciaec289bbec804a,
  title = {Summary report on the cooperative research project on conservation of ground water},
  author = {F.H. Klaer},
  year = {1951},
  doi = {10.3133/ofr51123},
  url = {https://pubs.usgs.gov/publication/ofr51123},
  note = {Source identifier: ofr51123}
}