@misc{indiciae9dc9fa921f44,
  title = {Water-level measurements in an observation well found to be useful in determining soil-moisture conditions},
  author = {P.E. Dennis},
  year = {1949},
  doi = {10.3133/ofr4965},
  url = {https://pubs.usgs.gov/publication/ofr4965},
  note = {Source identifier: ofr4965}
}