@misc{indiciae4b820dc42ae8,
  title = {Modification of the electric tape for measuring water levels in wells},
  author = {W.D. Waterman},
  year = {1953},
  doi = {10.3133/ofr53267},
  url = {https://pubs.usgs.gov/publication/ofr53267},
  note = {Source identifier: ofr53267}
}