@misc{indiciae27678def88cd,
  title = {Preliminary digital model studies of the Rio Aconcagua Valley, Chile},
  author = {O. James Taylor},
  year = {1970},
  doi = {10.3133/ofr71278},
  url = {https://pubs.usgs.gov/publication/ofr71278},
  note = {Source identifier: ofr71278}
}