@misc{indiciae70feb52947ed,
  title = {Map projections},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1993},
  doi = {10.3133/70047422},
  url = {https://pubs.usgs.gov/publication/70047422},
  note = {Source identifier: 70047422}
}