@misc{indiciae83b85f631fb8,
  title = {A well-numbering grid},
  author = {E.J. McClelland and J. S. Bader},
  year = {1965},
  doi = {10.3133/ofr65106},
  url = {https://pubs.usgs.gov/publication/ofr65106},
  note = {Source identifier: ofr65106}
}