@misc{indiciae1d6aecc6fb6b,
  title = {The occurrence of ground water in the United States, with a discussion of principles},
  author = {Oscar Edward Meinzer},
  year = {1923},
  doi = {10.3133/wsp489},
  url = {https://pubs.usgs.gov/publication/wsp489},
  note = {Source identifier: wsp489}
}