@misc{indiciae535a72b61d53,
  title = {Notes on a method to transform digitized coordinates to geographic coordinates},
  author = {Gerald I. Evenden},
  year = {1991},
  doi = {10.3133/ofr9117},
  url = {https://pubs.usgs.gov/publication/ofr9117},
  note = {Source identifier: ofr9117}
}